Answer: C
Explanation:
Which of the following identifies the most important reason why the percentage of deaths due to infectious diseases dropped from 1970 to 2015?
Group of answer choices
A.The number of people living in poverty fell as nations became increasingly more developed.
B.More people moved into urban areas, and fewer people remained in disease-prone rural areas.
C.More children were immunized against the major infectious diseases.
D. The use of pesticides became increasingly effective at killing biological threats.
Answer:
A
Explanation:
I choose A people in one hand really have to come together and make this world a strong, better, and brighter place.
Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows the probability that 100 percent of offspring will have red eyes?
Answer:
Which of the following equations are balanced correctly?
2Ag2O → 4Ag + O2
Zn + HCl → ZnCl2 + H2
Cu + H2O → CuO + H2
2C4H10 + 13O2 → 8CO2 + 10H2O
Explanation:
Answer: it’s A
Explanation:
hich of the following organisms receives at least some energy from plants?
A.
coyotes
B.
rabbits
C.
deer
D.
all of these
Answer: B
Explanation: Coyotes and deer dont really eat plants like that but deer do sometimes so my best bet is B or C. I hope this is helpful!!
The best title for the graphic organizer shown above would be:
A. Vertebrate Reproduction
B. Invertebrate Reproduction
C. Mammal Reproduction
D. Primate Reproduction
Answer:
c. Mammal Reproduction
Explanation:
They're all types of mammals
OPEN ENDED QUESTION
Why is the Cuyahoga River fire an
important event in dealing with water
pollution?
It showed people to stop dumping trash into the river.
The purpose of oxygen in the body is to serve as the
Answer:
We breathe because oxygen is needed to burn the fuel [sugars and fatty acids] in our cells to produce energy.) What happens in the process of respiration? (Oxygen is brought into the lungs via breathing, where it is transported by red blood cells to the entire body to be used to produce energy.
The shortest day of the year in Canada happens during _____.
March
September
June
December
can you guys help me asp
The shortest day of the year in Canada happens during December 21.
Birds, lizards, and amphibians are very different groups of animals. However, these groups share some qualities that help them survive. Which of the following is an example of such a quality? A. Birds, lizards, and amphibians have fur to keep their bodies warm. B. Birds, lizards, and amphibians produce milk to feed their young. C. Birds, lizards, and amphibians reproduce by laying eggs. D. all of these
Answer:
The answer is C
Explanation:
Brainliest?
Answer:
C.
Most mammals don't lay eggs, but platypuses do
A. Only mammals have fur
B. Mammals produce milk
D. The first two were wrong
Explanation:
what air mass carries warm, moist air
Maritime air masses form over water and are humid.
Answer:Maritime air masses form over water and are humid. Continental air masses form over land and are dry. Therefore, an air mass that develops over northern Canada is called a continental polar air mass and is cold and dry. One that forms over the Indian Ocean is called a maritime tropical air mass and is warm and humid.
Explanation:
Chargaffs rule states
Answer:
Isn't the Chargaffs a DNA of a rule state that have to be 1/1 ratio.
Explanation:
Because the trees that produce the sap to make rubber need to be cut down to make it, rubber is considered a nonrenewable resource.
TRUE
FALSE
Please help me!!
Answer: false
Explanation:
The raw material of making rubber products is the natural latex we collect from the rubber tree. Therefore, the answer is Yes. The rubber is a renewable resource. What's more, most of rubber products are made by reclaimed rubber.Hope this helps!
Drag each label to the correct location on the image
Arrange the symbols to form a DNA molecule.
5
3
5
3'
Answer:
The right answers are mentioned in the picture.
A base pair (bp) is the pairing of two nucleobases located on two complementary strands of DNA or RNA. This pairing is carried out by hydrogen bridges. There are four types of nucleic bases: A-T-C-G, these letters Adenine, Thymine, Cytosine, and Guanine. A with T and C with G.
It is also necessary to take into account the antiparallel character of the DNA strands. If a strand is in the 5 '3' direction, its complete strand is in the 3 '5' direction.
Explanation:
The kingdom Protista contains the greatest variety of organisms, ranging from single-celled creatures to multicellular ones. Some people consider the kingdom Protista to be a
kingdom into which an organism is classified simply because it does not fit anywhere else. What is most likely to happen to this kingdom in the future?
A. This kingdom will likely be changed into a domain
B. This kingdom will likely be further divided into various new kingdoms.
C. This kingdom will disappear.
D. This kingdom will be merged with another one.
Answer:
b
Explanation:
What term is used to describe a system that loses energy to objects that are not part of the system?
raised
low
OOOO
open
closed
Answer:
open
Explanation:
Answer:
open
Explanation:
edge2o2o
Which human activity is correctly paired with the greenhouse gas that it increases?
rice cultivation and water vapor
landfilling and carbon dioxide
deforestation and methane
sewage treatment and nitrous oxide
Answer:
D: Sewage treatment and nitrous oxide
Explanation:
e2020 :) Good luck! <3
The correct pairing of human activity with the greenhouse gas it increases is: Deforestation and methane.
What is deforestation?Deforestation refers to the deliberate or widespread removal of trees and vegetation from forests or woodland areas, leading to the conversion of forested land into non-forest uses. It involves the permanent destruction or clearance of forests, typically for purposes such as agriculture, logging, urbanization, or infrastructure development.
Deforestation has significant environmental, social, and economic implications. It contributes to habitat loss, biodiversity decline, soil erosion, and climate change. Forests play a crucial role in carbon sequestration, regulating the water cycle, and providing habitats for countless species.
Deforestation disrupts these ecological processes and can lead to the loss of invaluable ecosystem services. Efforts to combat deforestation involve sustainable land management, reforestation initiatives, and the promotion of responsible forestry practices.
Learn more about deforestation, here:
https://brainly.com/question/1954170
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1pt Which of the following cells would be produced by meiosis?
A. a heart cell
B. an eye cell
C. a sperm cell
D. a skin cell
Answer: c
Explanation:
because meiosis produces our sex cells
Why should the United States be concerned about air pollution in china
Answer:
The United States should be concerned because many of the things they have is manufactured or made in China . Some things like food or things that could be affected by germs or pollution could affect the users of it and make them sick.
Answer:
c. wind carries air pollution
Explanation:
What did Mendel's cross-pollination of pea plants prove?
A. Inheritance of certain factors is dependent upon the genetic code.
B. Certain factors are dominant, and other factors are recessive.
C. All the cells in an organism carry the same hereditary factors.
D. Crossing a tall plant with a tall plant will always result in a tall plant.
Answer:B
Explanation:
Answer: The correct answer is B- Certain factors are dominant, and other factors are recessive. :)
Explanation:
I took the test. I also had to read a lot about Mendel for my science class.
Hope this helps! <3
How does the carbon in grass become part of a lion?
choose:
The lion eats the grass
Carbon from grass doesn't end up in a lion.
The carbon ends up in the lion's food chain.
The lion breathes in carbon given out by the plant
Answer:
The carbon ends up in the lion's food chain
Explanation:
Lions just like humans, depends on oxygen to breathe therefore it is not the last option. Lions also don't eat plants, they are carnivores. Members in a food chain are all connected, the only logical answer would be C
How/why is ecosystem diversity important?
Answer:
Ecosystem diversity is a type of biodiversity. It is the variation in the ecosystems found in a region or the variation in ecosystems over the whole planet. Biodiversity is important because it clears out our water, changes out climate, and provides us with food.
Explanation:
It clears out water , makes safe climate change and provides everyone with a meal
Many fish in the lake die due to an increase in water temperature. What Limiting Factor is this an
example of? *
A. Competition
B. Predation
C. Temperature
D.Natural Disaster
Answer:
C, Temperature
Explanation:
Increase in water heat, changes the temperature levels for the water itself, and including that it may be even warmer towards the bottom of the lake.
The picture below shows a lead sheet and a lead pipe.
The lead sheet and lead pipe would have
the same mass
the same chemical properties
different crystal structures
different arrangement of atoms
Shoots of growing plants show positive phototropism as they bend towards the light. This bending happens because cells on the shaded side of the shoot grow faster than cells on the lit side of the shoot. Which hormone stimulates cell growth on the shaded side of shoot resulting in its bending towards light? *
• auxin
• cytokins
• gibbereslins
Answer:
auxin
Explanation:plzz mark me brainliest
this is the correct answer cuz im in 10th grade and i know it
FIRST PERSON TO ANSWER GETS BRANLYSEST After Hunter drank a glass of milk, sugar levels in his blood increased. This stimulated the hormone insulin to be released. Insulin helped the sugar move from his blood into cells, so his blood sugar levels decreased. Which statement explains what happened next? Positive feedback caused his pancreas to stop secreting insulin. Negative feedback caused his pancreas to stop secreting insulin. Negative feedback caused his pancreas to produce more insulin. Positive feedback caused his pancreas to produce more insulin.
Answer:
The correct answer B
When the body gets the glucose, the glucose in the blood increase then the hormone insulin is released so that the glucose from the blood can be transferred from blood into the cells of the body.
The release of hormone insulin is a positive feedback.
Once the glucose is transferred into the cells of the body then the negative feedback starts acting that stops the secretion of insulin from the pancreas.
What will happen next is that negative feedback would cause his pancreas to stop secreting insulin.
The maintenance of relatively constant internal body processes depends largely on negative feedback.
Negative feedback mechanisms ensure that setpoints are returned.
Hence, whatever causes setpoints to be breached is reversed or removed totally.
In this case, the continuous secretion of insulin will further lower the blood sugar level and causes the setpoint to be breached further. Thus, the actuator (insulin) has to be removed.
More on negative feedback can be found here: https://brainly.com/question/15379119?referrer=searchResults
9 Light cannot escape the intense gravitational pull of a
black dwarf
red giant
main-sequence stan
black hole
Approximately how long ago did our current era begin ? O A. 1 million years OB. 4.5 billion years C. 65 million yearsO O 100, 000 years
Answer:
C. 65 million years ago
Explanation:
The current locations of the continents and their modern day inhabitants, including humans, can be traced to this period.
Pls vote brainliest :)
The oak and the maple are two different species of trees that also belong to different genera. However, these oak and maples do share many characteristics. Based on their similarities, which levels of classification would they share?
Answer:
Maple and oak trees are both deciduous angiosperms, so the wood each produces is classified as a hardwood. However, the difference between maple and oak wood is significant, and it would be difficult to mistake one for the other. All species of oak display a distinctive well-defined grain pattern whereas the maple wood grain tends to be creamy white with little visible grain. The differences don't stop there, but to really appreciate them, it's important to realize that within the broad category defined by oak is a subset of species that differ significantly from each other. The same is true for maple
Am I right?? I am not sure ... just tryna help
5. In a food web in a freshwater ecosystem, shrimp
and mayflies eat water plants. Leeches eat
shrimp. Trout eat mayflies. Which organism is a
producer?
Answer:
The water plants
Explanation:
Key word, PLANT. All producers take energy from the sun through photosynthesis, only producers can do this.
why do lichens and mosses get mostly replaced by larger plant species during succession
Answer:
Lichens that colonize bare rock secrete acids that break down the rock and start the soil-production process. Also, as lichens die, they provide some organic matter that also contributes to soil. Mosses can then colonize the thin soil; as mosses die, the soil thickens more allowing other hardy species to colonize
Explanation:
The
sperm
is the male sex cell.
The
egg
is the female sex cell.
A
forms as a result of fertilization.
Answer:
hi buddy, here's your answer
fertilization results in the formation of zygote.
Answer:
zygote
Explanation:
Zygote, fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete (sperm). In the embryonic development of humans and other animals, the zygote stage is brief and is followed by cleavage, when the single cell becomes subdivided into smaller cells.
