Answer:
Explain the forces that push or pull the continents
Explanation:
We recently learned this in science class and my teacher said that Wegener had proof, except he couldn't explain why the continents were moving. Now, we know of this as the theory of Plate Tectonics, but in Wegener's time, they thought the Earth was shrinking like a raisin.
Hope I helped, Have a nice day!
-Aadi x
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What is the definition of a climate zone?
(Pls write 1 or 2 or longer sentences :D)
Answer:
Climate zones are areas with distinct climates, which occur in the east-west direction around the Earth, and can be classified using different climatic parameters. Due to temperature differences caused by the differences in radiation, recurring climatic conditions develop, such as winter and summer.
Explanation:
hope this helps...
I need help please with both of them
prevent
location
Explanation
where does diffusion take place in the nervous system?
Answer:
In diffuse systems nerve cells are disseminated all through the life form, generally underneath the external epidermal layer. Hope this helps.
Explanation:
At which time points did the scientists take measurements? (Attachment)
Answer:
(0,0) (2,45) (4,25) (6,20)
Explanation:
A copy a chromosome made during cell division are called
Answer:
As a cell prepares to divide, it must make a copy of each of its chromosomes. The two copies of a chromosome are called sister chromatids.
When the cells in the male and female parent divide, do them they form body cells or sex cells? Please explain!!!!!
Answer:
well i kinda think they form a body cell only ...
What would happen if earth had no atmosphere
Answer:
solar radiation would break atmospheric water into oxygen, which would react with carbon on the Earth to form carbon dioxide. The air would still be too thin to breathe. The lack of atmosphere would chill the Earth's surface. ... Plants and land animals would die
Explanation: rewrite it
Using this chart of word roots and affixes, which is the most likely meaning of
the word tripod?
Prefixes
Sumixes
mono: one
bi: two
tri: three
omni: all
pro: for, in favor of
forward
epi: on, outside
se: apart
athlon, prize, contest -able, -ible capable of
ped, pod, foot -ic: like, related to
phon, phone: sound -oid. resembling
spect to look
-ant, having the qualities of
derma: skin
-ia: condition, world, society
hydr. water
-ology, -logy, the study of
cred, to believe, trust -ous: full of
tone: tone, sound
-ence: a state or condition
A. An animal that walks on four legs
B. A three-legged stand
C. A three-part belief system
D. The ability to walk on hind legs
Answer:
THE ANSWER IS LETTER B
Explanation:
Answer:
B
Explanation:
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A biologist is in the process of classifying a newly discovered fungus. The fungus is a decomposer and has saclike structures. The organism most likely belongs in the same group as which of the following? WHY?
options are:
fungi that are rusts,
fungi that are associated with bread mold,
fungi that makes blue cheese,
fungi that are autotrophic decomposers,
Answer:
fungi that are autotrophic decomposers
Explanation:
autotrophs have saclike structures, they are decomposers
Vascular plants are able to grow taller than nonvascular plants because A. lignin in the cell walls of vascular tissue helps the plant overcome gravity. B. they can live in drier areas than nonvascular plants. C. they rely on osmosis to transport materials throughout the body of the plant. D. there is more sunlight in the areas where vascular plants live.
Answer:
c
Explanation:
Answer:
A
Explanation:
I got it wrong the first time
The gaseous waste that is a product of cellular respiration is carbon dioxide. This gas is formed as ______ is broken down during cellular respiration.
prokaryotic cells have a single circular chromosome and a defined nucleus? true or false?
Answer:
False, it lacks a defined nucleus.
Explanation: By definition, prokaryotes lack a membrane-bound nucleus to hold their chromosomes. Prokaryotes generally have a single circular chromosome that occupies a region of the cytoplasm called a nucleoid. They also may contain small rings of double-stranded extra-chromosomal DNA called plasmids.
Answer:
False
Explanation:
Prokaryotic cells don't have a nucleus, they have a nucleoid region
A mutation is least likely to affect a cell when the mutation --
A mutation is least likely to affect a cell when the mutation is silent in nature or is not associated with an exon, it is least likely to affect a cell. Any mutation that happens to the introns does not affect the cell's function.
What is the function of cells and mutation?As genetic materials, nucleic acids encode information about the cell's structure and function, its proteins, receptors, and so on. The mRNA that is formed from the gene has roles in the formation of the receptor, the enzymes, etc., so if any mutation happens to the gene that is in the coding region, then it can show its impact, but if the mutation is of the silent type, then it has no impact on the cell.
Hence, when a mutation is silent in nature or is not associated with an exon, it is least likely to affect a cell. Any mutation that happens to the introns does not affect the cell's function.
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What is shown in the following picture? Choose the best answer
a
Spring Tides, which is when there are very high tides and very low tides.
b
Spring Tides, which is when there are almost no tides.
c
Neap Tides, which is when there are very high tides and very low tides.
d
Neap Tides, which is when there are almost no tides.
Answer:
earth
Explanation:
hope it helps ................
What role can the environment play in gene expression?
Answer:
Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.
Explanation:
3.What is the difference between a dominant and a recessive trait?
Answer:
Dominant traits are always expressed when the connected allele is dominant, even if only one copy of the dominant trait exists. Recessive traits are expressed only if both the connected alleles are recessive.
Explanation:
How can planting a large area of just one variety of plant cause problems for both a farmer and an ecosystem?
Answer:
Particular plants use particular nutrients from the soil. If you were to consistently plant a large number of plants, of the same species, in the same area. The plant will use all of the nutrients it needs, before the nutrients are replenished. This can cause a decrease in the farmer's yield. By doing this you also create a habbitat for pests. Some pests live off to certain plants, so if your not planting other crops, the pests will thrive. Plating a variety of crops is good because some plants will repel pests from other crops that the pests may be attracted too.
A Carbon Sink is a reservoir which absorbs more carbon than it releases. Suggest how carbon in the bodies of crustaceans and molluscs is removed from the oceanic food chain to become part of another, slower carbon reservoir.
Answer:
Crustaceans and Molluscs play an important role in the oceanic carbon sink.
Explanation:
Carbon sinks can serve to partially offset greenhouse gas emissions. Forests and oceans are both large carbon sinks. Algae is pressurized to bottom of the ocean by long term sequestration. Algae then falls to the bottom of the ocean and TRANSFORMS to fossil fuels.
CO2 is not combustible. creates carbonic acid in the oceans. Reduces seawater pH, carbonate ion concentration, and thus calcium carbonate (needed for shells for marine creatures, contributes to BOTTOM-UP EFFECT)If helpful, please mark as brainliest! =)
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What are two ways that a frog’s tongue is different from a human’s?
can someone tell me how flatworms remove waste??? Is it through their tubule? What's a tubule.. im so confused
Answer:
Faltworms rely on difussion to transport oxygen and nutrients to their internal tissue and to get rid of carbon dioxide and other wastes from their body . Flateworms have no heart ,blood, blood vessels, grills , or other respiratory systems. Flatworms have flame cells. Flame cells are specialized cells that remove and purify excess water from the body.
Which plant, shown in the cladogram below, shared a recent common ancestor with spikemosses and quilworths?
Answer:
Clubmosses
Explanation:
I don't really have an explanation
How many chromosomes foes the nucleus of heart muscle cell contain?
Answer:
46 chromosomes
Humans have 23 pairs of chromosomes, so our hearts have 46 chromosomes.
Explanation:
Hope it helps
Answer:
46 chromosomes
most of them contain 46 chromosomes like almost all the rest of the body's cells
When you look at your teacher's face, how can you see it?
0 Light reflects off of her face.
O Her face emanates light.
O Light refracțš through her face
O Her face emits electromagnetic radiation.
Answer:
0 Light reflects off of her face.
Usable fresh surface water is relatively scarce. To many people, streams and lakes are the most visible part of the water cycle. Not only do they supply the human population, animals, and plants with the freshwater they need to survive, but they are great places for people to have fun.
Answer:
True.
Explanation:
Usable fresh surface water is scarce. Freshwater is not in excess on our planet. We can find it on lakes, lagoons, rivers, and swamps, but it is only 3% of the totality of Earth's water. The importance of this water is that it is the one that is suitable for humans, a large number of plants, and animals. This is why there are different methods to store and distribute fresh water amongst all the population and places that need it. Besides, the places where freshwater is, are great for activities, such as swimming, sailing, rafting, diving, fishing, etc.
Since freshwater is scarce and has so many uses, we must take care of it.
Which of the following might restrict the growth of a population?
O Mild winters
O Increased predation
o Increased numbers of prey
O Ample rainfall
30 POINTS!!!!
Answer: Increased predation, and mild winters.
Explanation: As the prey population increases, there is more food for predators. So, as the number of predators increases, more prey are captured.
Mild winters would cause all of the plants to die, therefore prey would also die due to lack of food and cause predators to die as well for the same reason.
Side note: It might also be ample rainfall but I didn't know if they meant ample rainfall as in flooding or not, if it means flooding then that could be an answer, too. And I also wasn't sure if this was multiple choice or not.
Good luck! :)
How are humans circulatory system similar and different to other animals
Answer:
Humans have a heart with two atria and two ventricles that pushes blood in one direction. Some animals have hearts similar to humans but, other animals have only one atrium and one ventricle or a cardiovascular system that can push blood in two directions.
Humans circulatory system is similar due to presence of artrium and ventricles and different to other animals due to number of heart chambers.
How human circulatory system similar and different to other animals?Humans have a heart with two atria and two ventricles that prevents bactward flow of blood. Some animals have hearts similar to humans but, other animals have only one atrium and one ventricle that can push blood in two directions.
So we can conclude that Humans circulatory system is similar due to presence of artrium and ventricles and different to other animals due to number of heart chambers.
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Describe what a spreading center is and how a volcano
forms there.
Explanation:
Spreading center volcanism occurs at the site of mid-oceanic ridges, where two plates diverage from one another. As the plates are pulled apart, hot ashtenophere rise upward to fill voids of the extended lithosphere.
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Two parts of the food chain are described below:
Part #1: These organisms are the ending of the food chain.
Part #2: This passes energy to plants and animals.
Which statement is true about these two parts of the food chain?
A) Part 1 are consumers, Part 2 is the sun
B) Part 1 are consumers, Part 2 are producers
C) Part 1 are producers, Part 2 is the sun
D) Part 1 are producers, Part 2 are consumers
(DONT ADD ANY LINKS)
The correct statement is B) Part 1 are consumers, Part 2 are producers.
What are the two parts of food chain?Part 1 of the food chain describes organisms that are the end of the food chain, which would typically be consumers or animals that feed on other organisms, including plants and other animals.
Part 2 of the food chain refers to something that passes energy to plants and animals. This is typically the sun, which provides energy through photosynthesis to producers, or plants, that convert light energy into chemical energy stored in food. Producers form the base of the food chain, providing energy to all other organisms in the ecosystem through the food they produce.
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How do Venus, Earth, and Mars compare to each other? Explain.
Answer:
Explanation:
Because they are all 4 rocky planets in the solar system, I did it when i was in 4th grade during my solar system project
The Venus, Earth, and Mars compare to each other because they are all 4 rocky planets in the solar system.
What is the solar system?The Sun and the objects that orbit it make up the gravitationally bound system known as the Solar System. The massive interstellar molecular cloud's gravitational collapse resulted in its formation 4.6 billion years ago.
Our planetary group comprises of our star, the Sun, and everything bound to it by gravity - the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; planets as small as Pluto; a lot of moons; and millions of meteorites, asteroids, and comets.
The fundamental thought of the planetary group was proposed by the Clean stargazer Nicolaus Copernicus (1473-1543) who said that "the Sun is the focal point of the Universe" and made the planets move around it in amazing circles.
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What are the signs of a chemical reaction?
There are five signs of a chemical change:
Color Change.
Production of an odor.
Change of Temperature.
Evolution of a gas (formation of bubbles)
Precipitate (formation of a solid)
hope it help! and have a good day :)