Which of the following is an example of physical weathering?

a
Ice wedging
b
Acid rain

c
Oxidation

d
Carbonic acid

Answers

Answer 1
a i think because that can cause physical weathering and the other is chemical.
Answer 2
a, ice wedging. all the other options include chemical properties and chemical changes

Related Questions

_____ is when the amperage put over a wire or circuit is more than it can handle.

Answers

Answer:

It should be energy

Explanation:

When one draws more electricity than a circuit can safely handle an electrical circuit overload takes place.

What is amperage?

A unit of measure of the rate of electron flow or current in an electrical conductor is referred to as an ampere.

When one draw more electricity than a circuit can safely handle an electrical circuit overload takes place.

Thus, the answer for the given blank is electric overload.

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Giving brain liest for who ever does all, IN YOUR OWN WORDS< please and thak you i am giving brain liest :) i need a pro to help me lol PLEASE DO ALL OF THEM!!

Answers

Breathing is the function of our body to let air flow to the lungs. It is important because it serves the purpose of bringing the amount of oxygen the body needs to work properly, and flushing out the toxic substances our body produces.

The diaphragm also plays its important role in respiratory system because it creates more space in our chest cavity, allowing the lungs to expand when we inhale.

The larynx connects the naso- and oro- pharynx with the trachea, functioning in air conduction, vocalisation and in obstructing passage of ingesta into the trachea during deglutition. The trachea divides into left and right mainstream bronchi. Bronchi give away to smaller conducting airways, bronchioles.

The walls of the alveoli share a membrane with the capillaries, this relatively lets the oxygen and carbon dioxide diffuse between the respiratory system and bloodstream. They bring oxygen into our body through inhalation and send carbon dioxide out called exhalation and overall process is respiration

Pneumonia is a life threatening illness because if our lungs is filled with fluid then they won’t be able to function normally and won’t be able to transfer enough oxygen to your blood or get rid of the carbon dioxide in our bloodstream

How are science and technology-related?
pls help me at least 1 sentence.

Answers

I honestly don’t get wht u mean
Science and technology are related because technology is created from science and technology is the application of science.

Which best describes Earth’s crust?

It is stationary and unable to move.

It is thicker than the mantle and the core.

It is located between the outer and the inner core.

It is composed of continental and oceanic plates.

Answers

Answer:

D

Explanation:

It is composed of continental and oceanic plates.

d is the best answer as there are tectonic plates on the earths crust ;)

Who were carriers for of hemophilia in the royal family?

Answers

She is the carrier( the queen)

Only answer if you have an answer to one of the questions. Thank you.

Answers

Answer:

4.

An internal stimulus is a stimulus that comes from inside an organism. You may have experienced an internal stimulus of hunger after a long day at school, and this prompts you to eat some food in order to regain needed energy

3. It means that every aspect in this world has its own process of development and undergoes a change where they accumulate growth

Please help and thank you

In which investigation would it be BEST to use observational data obtained outside of a laboratory rather than empirical data from controlled experiments?


an investigation to determine the amount of oxygen that an animal consumes while sleeping

an investigation to determine the genetic code of a harmful bacteria

an investigation to determine the structure of a protein

an investigation to determine the feeding habits of a species of bird

Answers

An investigation to determine the feeding habits of a species of bird

employs the use of observational data obtained outside of a laboratory.

Observational data outside of a laboratory is best suited for feeding habits

of a bird because it requires lower degree of control over the environment.

Feeding pattern doesn't require any special technique which is why it can be

done on the field.

Other options require the use of  higher degree of control over the

environment  to ensure accurate results are derived.

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A science class breaks into four groups and tests the pH of the soil surrounding the school. Each group goes to an area that is three meters squared (3m 2) in size and tests the soil four different times within that square. The data collected is then placed into a table for everyone to see as shown below.




Four students draw the following conclusions from the data:
Student 1: Group D’s data should be discarded because it is not similar enough to the other groups' data.
Student 2: There must be something near the parking lot that causes the pH of the soil to be higher and the class should design a new experiment to determine what it may be.
Student 3: There are definitely more magnesium ions in the soil near the parking lot, and that is why the pH of the soil is higher there.
Student 4: The pH of the soil in the ball field should be measured again because no two readings were identical.


Which student’s conclusion is scientifically valid based on the data in the table above?


A. Student 1


B. Student 2


C. Student 3


D. Student 4

Answers

Answer:Student 2

Explanation:

The conclusion of student 2 is scientifically valid based on the data in the table above. Thus, the correct option for this question is B.

How the pH of the soil is measured?

The pH of the soil is measured with the help of a pH meter. The soil from a particular area is mixed with water and other chemicals in order to make a solution, then by utilizing a pH meter, an accurate pH of that region of the soil is measured successfully.

According to the conclusion of student 2, there must be something near the parking lot that causes the pH of the soil to be higher and the class should design a new experiment to determine what it may be. This is because the pH of the edge of the parking lot is significantly high as compared to other areas that surround the school.

Therefore, the conclusion of student 2 is scientifically valid based on the data in the table above. Thus, the correct option for this question is B.

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What happens when icebergs melt?

Answers

They turn to water right-

Answer:

Melting icebergs will cause the sea level to rise. Icebergs are already floating in the ocean, so melting will not raise the sea level. Melting of land-based ice (such as glaciers) will raise sea level.

Explanation:

An organ within an organism accomplishes tasks. To engage in these tasks, an organ typically requires
energy provided by other organisms.
B
interaction with other organ systems.
С
communication with other organisms.
D
segregation from other organ systems.

Answers

Answer:

I think that it is the first one :)

Explanation:

Pls pls tell me if  im wrong, ill do my best to fix it

B. Interaction with other organ systems.

What is an organ ?

An organ within an organism performs specific tasks to maintain the overall health and function of the organism. To accomplish these tasks, an organ typically requires interaction with other organ systems within the organism.

For example, the digestive system works in tandem with the circulatory system to transport nutrients to the cells, while the respiratory system works with the circulatory system to deliver oxygen to the body. By working together, the different organ systems help to maintain the overall health and function of the organism.

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Describe a DNA mutation and how it can affect an offspring.

Answers

A DNA mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people. Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes. DNA mutations can affect an offspring can result in abnormal protein products. Mutations can also introduce new alleles into a population of organisms and increase the population's genetic variation.
Since all cells in our body contain DNA, there are lots of places for mutations to occur; however, some mutations cannot be passed on to offspring and do not matter for evolution. Somatic mutations occur in non-reproductive cells and won't be passed onto offspring. For example, the golden color on half of this Red Delicious apple was caused by a somatic mutation. Its seeds will not carry the mutation.
The only mutations that matter to large-scale evolution are those that can be passed on to offspring. These occur in reproductive cells like eggs and sperm and are called germ line mutations.

please help me this is due soon :(( giving brain liest for whoever does it right, and it does it in there own words, ITS OK IF A LITTLE IS FROM THE INTERNET :D pls help im giving brain liest :)

Answers

If you look up “quill bot” you can copy sentences from the internet, paste it in there, then press paraphrase and it’ll change the words

Only answer if you have an answer to one of the questions. Thank you.

Answers

assuming maintains internal conditions means homeostasis, your body defecates and urinates any toxins from food or drink. this is because some food is harmful to your blood, heart, stomach, etc and can cause even more harm if they are not eliminated.
hope this helps!!! :)

What are 3 reasons deforestation is an issue for animals?

Answers

Answer:

- Animals live in the trees

- Animals eat off of tree

-Animals breed in trees

Explanation:

Answer:

1. They have less territory

2. With less space, populations decline.

3. Some animals need trees to survive.

Explanation:

1. Some animals, like wolves, have huge territories that span over miles of land. Deforestation would cause predators to fight over who gets the remaining space.

2. Populations cant thrive if theres no where to have offspring.

3. Animals depend on trees for shelter and food. If there are no more trees, primary and secondary consumers would suffer.


The heart is an example of several similar tissues working together to do a specific job for an organism, which level of organization represents the heart?
А cell
B
tissue
C
organ
D
organ system

Answers

The answer would be C, and organ.

Name two elements that have the same properties as sodium

Answers

Answer:

Two elements that have properties similar to those of the element sodium are Potassium (K) and Lithium (Li)

Explanation:

They are in the same group.

Answer:

Lithium and Potassium

Explanation:

Honestly I don't really know I just looked it up :)

Over time, a shallow pond fills with plants, such as duckweed and cattails. These plants-

A:will die off quickly in the shallow water.
B:support ecological succession from pond to marshland.
C:will grow into larger trees as they mature.
D:eventually will dry out and create a fire hazard.
ASAP

Answers

Answer: B or C I think
I am not sure what plants they are but they will make the pond into a home for animals

Answer:

the answer you are looking for is A. they will die off quickly in shallow water

Explanation:

because they are larger plants that do not need a lot of sunlight but needs a lot of oxygen and a shallow pond does provide that oxygen needed but it pushes to much sunlight.

hope this helped some

7th grade science help pls

Answers

Answer:

d

Explanation: the genes carry what is needed to change, and the cells change due to what is happening in the genes

Answer:

with what

Explanation:

becuse how am i going to help

Only answer if you have an answer to the question. Thank you.

Answers

Answer:

They have their own environment. Structure how to live and surviving. Thats an organization

All living things have organization because all living things live in ecosystems and they have a pattern of organization in the way things are done for that species

ILL GIVE BRAINLIEST!!

Hello! Could someone please help me? Thank you!

Answers

Answer:

A

Explanation:

You can see that air pollution increases sharply between those two days.

Answer:

a. between days 3 and 4

Explanation:

that was you big increase

Compare the structures for genetics with every day objects. Must include the words: genes, DNA, chromosomes, and nucleus.

Answers

Answer:

Genes play an important role in determining physical traits — how we look —and lots of other stuff about us. They carry information that makes you who you are and what you look like: curly or straight hair, long or short legs, even how you might smile or laugh. Many of these things are passed from one generation to the next in a family by genes. Most cells have one nucleus. The nucleus is a small egg-shaped structure inside the cell which acts like the brain of the cell. It tells every part of the cell what to do. It contains our chromosomes and genes. Chromosomes come in matching sets of pairs and there are hundreds (sometimes thousands) of genes in just one chromosome. The chromosomes and genes are made of DNA.

Help please I will give brainliest if it is a right and valid answer with atleast 2 sentences. Thanks so much

Answers

Explanation:

Lucille's cells need oxygen. In order for cells to properly function, they need to be oxidized. If Lucille's respiratory system is not working then her body cannot receive the oxygen that it needs in order to send to her blood cells. The circulatory system pumps Lucilles's blood around her body but if there is no oxygen, Lucille's cells/heart cannot properly function, this making it difficult for her to play soccer.

List 4 clues that show how Africa and South America were once connected.

Answers

Answer:

Geological “fit” evidence is the matching of large-scale geological features on different continents. It has been noted that the coastlines of South America and West Africa seem to match up, however more particularly the terrains of separate continents conform as well. Examples include: the Appalachian Mountains of eastern North America linked with the Scottish Highlands, the familiar rock strata of the Karroo system of South Africa matched correctly with the Santa Catarina system in Brazil, and the Brazil and Ghana mountain ranges agreeing over the Atlantic Ocean.

Another important piece of evidence in the Continental Drift theory is the fossil relevance. There are various examples of fossils found on separate continents and in no other regions. This indicates that these continents had to be once joined together because the extensive oceans between these land masses act as a type of barrier for fossil transfer. Four fossil examples include: the Mesosaurus, Cynognathus, Lystrosaurus, and Glossopteris.

Explanation:

MAKE ME BRAINLIEST!!!

Explain why wetlands generally have a high level of biodiversity.

Answers

Answer: Wetlands have a high level of biodiversity because of the amount of resources available.

Explanation:  The high levels of accessible water, nutrient levels, and primary productivity allow for a large number and variety of organisms at the base of the food web.

(10 points) Marine Biology. needed as soon as possible
Match the kelp ecosystem to the organisms that reside there.

1. oarweed
2. nudibranch
3. sponge
4. otter
5. sea urchin
6. rockfish

match each one to its ecosystem,
Ecosystem 1: Kelp Canopy
Ecosystem 2: intermediate Region
Ecosystem 3: Dark Seafloor

Answers

Eco1: 1, 4

Eco2: 2, 3, 5

Eco3: 6

Oarweed and otter are present in the Kelp canopy, nudibranch, sponge, and sea urchin are present in the intermediate region, and rockfish is present in the dark seafloor.

What are Marine ecosystems?

Marine ecosystems are the aquatic environments with very high levels of dissolved salts, such as the ones which are found in or near the ocean areas. Marine ecosystems are defined by their unique biotic and abiotic factors.

Kelp canopy are the underwater areas with a high density of kelp that covers a large part of the world's total coastlines. Oarweed and otter are found in kelp canopy.

Intermediate region of the marine ecosystems contains nudibranch, sponge, and sea urchin. Dark seafloor contains rock fishes.

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We can think of electromagnetic waves as a kind of ongoing message being sent out by the universe. Humans are able to naturally access only a portion of this message.

What information from the passage best supports this statement?

a
The waves emitted by our physical world make it possible for us to communicate over vast distances.
b
The human eye is only sensitive to a portion of the electromagnetic spectrum.
c
Without light, we wouldn't be able to process the visible world.
d
Mankind has invented tools to harness the information contained within electromagnetic radiation.

Answers

Answer: im petty sure that it’s either A or B
Hope this helps at least a little and sorry if I’m wrong I don’t study this :)

Option (B) the human eye is only sensitive to a portion of the electromagnetic spectrum (visible lights)  best supports above statement.

What are electromagnetic waves?

Electromagnetic radiation is made up of electromagnetic field waves that travel through space carrying electromagnetic radiant energy. These waves are carried by electromagnetic radiation. Radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays are all components of this spectrum. The electromagnetic spectrum is made up of all of these different types of waves.

We can only see a small portion of the electromagnetic radiation that exists, which is the portion that we refer to as visible light. However, all electromagnetic radiation is light. These cone-shaped cells in our eyes function as receivers and are tuned to the wavelengths that are present in this particular narrow band of the electromagnetic spectrum.

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PLS HELP 7TH GRADE SCIENCE

Answers

Answer:

I believe A is the answer

Explanation:

I've been debating between D and A, but I'm mostly going for A. Bread mold A is spreading its own mold to Bread mold B, so they have the same kind of mold

I think the answer is A but I’m not sure

What is the biggest animal that lives underground?

Answers

Answer:

Bears

Explanation:

Ik that you might think that they live in caves, but they can live in snow burrows, and dug-out earthen as their dens.

Hope this helped :)

According to the map, which body of water was controlled by the Roman Empire?

the Red Sea
the Black Sea
the Caspian Sea
the Persian Gulf

Answers

It is the black sea. Correct answer is the Mediterranean but it’s not one of your choices so Black.

The Mediterranean Sea was controlled by the Roman Empire which was not given in the options.

What is the Mediterranean Sea?

The Mediterranean Sea is a sea connected to the Atlantic Ocean that is encircled by the Mediterranean Basin and nearly entirely surrounded by land on the north, Western and Southern Europe and Anatolia, on the south, North Africa, and on the east, the Levant.

In the history of Western civilization, the sea has played a crucial role. Although the Mediterranean is often included in the Atlantic Ocean, it is widely regarded a separate body of water.

According to geological data, the Mediterranean was shut off from the Atlantic approximately 5.9 million years ago and was partially or fully dry for 600,000 years during the Messinian salinity crisis until being flooded by the Zanclean flood about 5.3 million years ago.

The Roman empire was based on the unification of the Mediterranean Sea.

The Romans, who lived in a little town on the Italian peninsula in the Mediterranean's western basin, had conquered the western basin first, and later the eastern basin of this nearly land-locked body of water.

Hence , the correct answer is The Mediterranean Sea.

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The results of Mendel's experiments supported the idea that offspring inherit traits that are a "blend/mix" of the traits of their parents.

Question 1 options:
True
False

Answers

False

Explanation
Because it’s false
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