Answer:
B
Explanation:
Which is a natural source of greenhouse gases?
Answer:
Examples of greenhouses gases are water vapor, carbon dioxide. methane, nitrous oxide and ozone (O3). Lightning produces ozone as does UV light at high altitudes, methane is produced biologically and in volcanoes (but doesn’t last long in the atmosphere). Carbon Dioxide is also produced biologically and in volcanoes. Water vapour is most from ocean evaporation, which is bad news if the Earth gets hotter because that leads to more Water vapour.
Explanation:
A natural source of greenhouse gases is respiration
Greenhouse gases are gases that trap heat in the atmosphere and warm the planet. The major greenhouse gases are:
Carbon dioxideMethaneWater vapor Nitrous oxide Fluorinated gasesThe greenhouse gases occur from natural sources and synthetic sources
Some of the natural sources of greenhouse gases are:
Respiration Decomposition of plants.Ocean release etc.Hence, a natural source of greenhouse gases is respiration
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What makes hunting breeds a good choice for studying dog navigation?
Answer: Pointers make an excellent choice for these excursions because they are lean and biddable—important qualities in dogs who will be hundreds of yards away from you during long-range hunts. Conversely, a dog plying the thick woods of a ruffed grouse covert will need to work close.
Explanation:
hunting breeds, such as dachshunds, foxterriers, and Welsh terriers. For generations, people have bred hunting dogs to track prey andthen find their way back to their owners. “Weknow about homing behaviors in these breedsfrom observations, but they haven’t been studiedin detail,” says Benediktová.
Explanation:
What phenomenon is considered to be evidence of the universe "cooling off" after the great explosion of the
Big Bang?
black holes
O cosmic background radiation
O gamma rays
O X-rays
Answer:
If I’m correct it’s O cosmic background radiation
Explanation:
Answer:
black holes
Explanation:
What is the difference between an embryo and a foetus
Answer:
An embryo is the early stage of human growth in which the vital body structures of organs are developed. In the 11th week of pregnancy, which is the 9th week of development after egg fertilization, an embryo is considered a fetus.
Explanation:
Answer:
An embryo is the early stage of human development in which organs are critical body structures are formed. An embryo is termed a fetus beginning in the 11th week of pregnancy, which is the 9th week of development after fertilization of the egg.
Explanation:
How does genetic variation create diversity?
Human p53 is a tumor-suppressor gene located on chromosome 17. The function of this gene is to prevent cells with damaged DNA from undergoing mitosis. What would most likely result if there were a mutation that decreased the function of the p53 gene?
The answer is “Germs cells would undergo only one meiotic division.
Explanation:
I remember learning this in my biology class
Single amino acid changes in p53 caused by TP53 gene mutations make the protein less functional. Without p53, cell proliferation is not efficiently controlled, and DNA damage can build up in cells.
How p53 gene is important?Such cells might continue to divide uncontrollably, which would promote the development of tumors. By stopping the cell cycle to give the repair mechanisms time to restore genomic stability, p53 plays a significant function as a DNA repair facilitator.
Additionally, p53 adopted a variety of roles to directly influence the operation of different DNA-repair mechanisms.
Cancer cells may develop and spread throughout the body as a result of mutations (changes) in the p53 gene.
Therefore, numerous cancer kinds and the genetic disorder Li-Fraumeni syndrome have both been linked to these alterations.
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An example of a mineral needed in large amounts is ___________________.
Answer:
Some minerals are needed in larger amounts than others, e.g. calcium, phosphorus, magnesium, sodium, potassium and chloride
calcium, phosphorus, magnesium, sodium, potassium and chloride.
Why is about half of all freshwater on Earth is inaccessible to humans?
Group of answer choices
It is too deep underground
It is in the atmosphere in clouds
It is too dirty to clean
It is frozen in glaciers
Type a paragraph explaining how the atoms in sugar molecules can be used to form amino acids and other large carbon-based molecules. Cite Work
Answer:
install socratic it gives you all answers
Explanation:
can you create a punnett square for this question?
Answer:
Explanation:
HERE U GO
This is the punnet square
What would be an appropriate key for these traits
Answer:
The correct answer is -
TT - short BB - blue eyes
Tt - short tail Bb - blue eyes
tt - no tail bb - brown eyes
Explanation:
In this given question it is stated that short tails of ribbits are dominant over the no tail trait of the rabbits and similarly blue eyes trait of the rabbits is also dominant over the brown-eye trait.
A dominant trait is represented by a capital letter and a recessive trait is represented by the small letter so for the tails alleles will be denoted as T and t, and for the eyes, the alleles would be B for blue and b for brown.
The key for these traits would be-
TT - short BB - blue eyes, due to both dominant allele,
Tt - short tail Bb - blue eyes, due to dominant allele masks the recessive allele
tt - no tail bb - brown eyes, due to both alleles are recessive
Organize the following materials:
pen
staple
board
pencil
paper
desk
marker
paper clip
safety pin
Answer:
THINGS U WRITE WITH
pen pencil marker
Other stuff
Explanation:
is that what u meant?
True or false: Guard cells close openings in the leaves slowing down water loss.
Answer:
True
Guard cells close openings in the leaves slowing down water loss.
Answer:
True
Explanation:
Stomata are pores in the leaf that allow gas exchange where water vapor leaves the plant and carbon dioxide enters. Special cells called guard cells control each pore's opening or closing. When stomata are open, transpiration rates increase; when they are closed, transpiration rates decrease. So when it is opened the water vapor depletes quicker but when its closed it slows down the process of depletion.
Which structure inside plant cells helps in photosynthesis?
Chloroplast
Mitochondrion
Nucleus
Vacuole
Answer:
chloroplasts
Explanation:
chloroplasts
Photosynthesis takes place in chloroplasts; cell walls allow plants to have strong, upright structures; and vacuoles help regulate how cells handle water and storage of other molecules.
Answer:
Chloroplast
Explanation:
photosynthesis takes place in chloroplasts
Explain how the geologic time scale is used to organize Earth’s history.
Think about how the geologic time scale was created and how it is divided. Then answer the following questions.
How did scientists from the geologic time scale?
How is this scale organized?
What processes changed the Earth's environment during Precambrian time?
Answer:
The first principle you need to understand about geologic time is that the laws of nature are always the same. This means that the laws describing how things work are the same today as they were billions of years ago. For example, water freezes at 0°C. This law has always been true and always will be true. Knowing the natural laws helps you think about Earth’s past, because it gives you clues about how things happened very long ago. It means that we can use present-day processes to interpret the past. Imagine you find fossils of sea animals in a rock. The laws of nature say that sea animals must live in the sea. That law has never changed, so the rock must have formed near the sea. The rock may be millions of years old, but the fossils in it are a clue for us today about how it formed.
Now imagine that you find that same rock with fossils of a sea animal in a place that is very dry and nowhere near the sea. How could that be? Remember that the laws of nature never change. Therefore, the fossil means that the rock definitely formed by the sea. This tells you that even though the area is now dry, it must have once been underwater. Clues like this have helped scientists learn that Earth’s surface features have changed many times. Spots that were once covered by warm seas may now be cool and dry. Places that now have tall mountains may have once been low, flat ground. These kinds of changes take place over many millions of years, but they are still slowly going on today. The place where you live right now may look very different in the far future.
The first principle you need to understand about geologic time is that the laws of nature are always the same.
What is the Time scale?Water, for instance, freezes at 0°C. This rule has held and will continue to hold forever.
Understanding natural principles facilitate historical thinking because it provides hints about how things were very long ago. It implies that we can interpret the past using current methods.
The rock must have formed close to the sea because this law has never changed.
Therefore, The first principle you need to understand about geologic time is that the laws of nature are always the same.
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Kelp me plz question is above
Answer:
top: response bias, middle: question-wording bias, bottom: under-coverage
Explanation:
How long does the revolution of the moon around earth takes
Answer:
27 Days
Explanation:
The moons takes 27 days to orbit the earth
What is the complementary DNA sequence to the DNA sequence GTA TAC ATG
possible answers:
GTA TAC ATG
GAT ATC TAG
CTA TAG ATC
CAT ATG TAC
Answer:
CAT ATG TAC
Explanation:
Adenine (A) pairs with Thymine (T)
Cytosine (C) pairs with Guanine (G)
And vice-versa
Which of the following best describes a characteristic of DNA that makes it useful as hereditary material?
Please give 1 answer.
Nucleotide bases in one strand can only be paired with specific bases in the other strand.
There are many different types of nucleotide bases that can be incorporated into DNA
The nucleotide bases can also be used to provide the energy needed for reproduction
Nucleotide bases can be randomly replaced with different nucleotide bases to increase variation
Answer:
A. Nucleotide bases in one strand can only be paired with specific bases in the other strand.
Explanation:
Had the same question on a test. Hope this helps :)
DNA is a genetic material found in every living organism. DNA is made up of purines, pyrimidines, a pentose sugar, and phosphate backbone. DNA is a genetic material that carries information from parent to daughter cells.
The correct answer is:
Option A. Nucleotide bases in one strand can only be paired with specific bases in the other strand.
Characteristics of the DNA include:
1. DNA is a double-stranded genetic material, which is made up of four nitrogenous bases, adenine, cytosine, thymine, and guanine.
2. These nucleotides bind to specific nucleotide sequences present on the template strand of the DNA.
3. DNA consists of coded sequences known as genes, which are inherited from the parent to the daughter cells.
4. DNA undergoes a unique semi-conservative mode of replication.
Thus, the correct answer is the ability of the DNA nucleotides to bind to the specific bases in the other strand.
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Escherichia coli is the scientific name of a bacterium. What category of
classification is Escherichia? *
A.order
B.genus
C.phylum
D.species
Escherichia coli is the scientific name of a bacterium. genus category of classification is Escherichia. The correct option is option (B).
In the scientific classification system, Escherichia is the genus of the bacterium. The genus is a higher taxonomic rank that groups closely related species together.
In this case, Escherichia is the genus name for a group of bacteria within the family Enterobacteriaceae.
The scientific name of an organism consists of the genus and species names together, with Escherichia coli being a specific species within the Escherichia genus.
Therefore, Escherichia coli is the scientific name of a bacterium. genus category of classification is Escherichia. The correct option is option (B).
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What organisms provides all the energy for an ecosystem?
Answer:
Plants, algae and photosynthetic bacteria provide an energy source for a majority of the worlds ecosystems.
Explanation:
Adult stem cells are best described as?
Explanation:
1 Definition. Adult stem cells are undifferentiated cells that reside among differentiated cells in a tissue or organ. They have the ability to renew themselves and differentiate into specialized cell types.
Adult stem cells, also known as tissue-specific stem cells or somatic stem cells, are multipotent cells that replace damaged and dying cells.
What are somatic stem cells?Somatic stem cells, also known as adult stem cells, are found in organs and tissues, have the ability to self-renew and give rise to the differentiated cell types that make up that organ or tissue (multipotency), and play an important role in the maintenance and repair of those organs and tissues. Adult stem cells are sometimes referred to as embryonic stem cells.
The bone marrow, the skin, the intestine, the brain, the blood vessels, the teeth, the reproductive system, and the heart are only some of the organs and systems in the body that include somatic stem cells.
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When the Sun’s radiant energy falls on Earth’s oceans, it causes water to change state by evaporating. Which form of energy does water vapor have?
A.
chemical potential energy
B.
elastic potential energy
C.
electric energy
D.
vibrational energy
Answer:
A
Explanation:
Answer:
A chemical potential energy
Explanation:
I need help on please
Answer:
D.
Explanation:
Sugar carbs (or simple carbs) give you quick-acting, short-term energy and can be found in fruits, white bread, cereal, juice and soft drinks. Starch Carbs (or complex carbs) give you slow-releasing, long-term energy and can be found in whole grains, vegetables and legumes (beans and peas).
True or false
The amounts of salt in ocean water is the same everywhere on earth?
Answer:
False
Explanation:
Different areas and seas have higher or lower salt levels
Would you rather burn to death or freeze to death? Hmm...
A. approach-approach conflict
B. avoidance-avoidance conflict
C. approach-avoidance conflict
D. double approach-avoidance conflict
Answer:
c
Explanation:
What two elements have the same number of energy level (shells)?
Answer:
Elements that are found in the same horizontal row (belong to the same period) in the periodic table, e.g. Fluorine and Neon both have the same energy level of 2.
Note: The question does not specify any two elements.
Explanation:
The modern periodic table is organized into eight vertical columns known as groups and seven horizontal rows known as periods. The atomic number ( number of protons in the nucleus) of elements increases when moving across the periodic table from left to right. The horizontal rows or periods represents an energy levels or the number of electron shells in an element. Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found. Elements belonging to the same period have the same number of energy level or shells. For example, the elements belonging to Period 2 include lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon. These all have the same number of energy level of 2.
Which of the following astronomical bodies is largest?
A) Jupiter
B) the Sun
C) the Moon
D) the Milky Way
Thank you ..!
Answer:
Explanation:
milky way
Manuel eats lunch in the cafeteria every day. How does his digestive system make use of the lunch he eats?
a
A. It changes the food into cells that protect the body from illness.
b
B. It converts food into oxygen that is absorbed into the blood.
c
C. It breaks down some food into usable material for the body and discards the rest.
d
D. It breaks down food into the chemicals needed by the body to regulate temperature.
Answer:
C
Explanation:
Answer:
c
Explanation:
help please I will mark brainiest
Answer:
A
Explanation:
