Answer: C
Explanation: Earth's atmosphere isn't very dense because it is made of air, which floats. Human beings are denser then air since they are solid, but not as dense as Earth's crust, which is rocky and the densest out of the three.
I'm not entirely sure and this response is late but I'm pretty sure it's when the central vacuoles lose their water and can no longer support the cell. When the vacuole of a cell is full it pushes outward against the cell wall. When it has nothing in it, you can assume that because the vacuole is so big and is such a big component of this that this would be the answer.
Biome term best describes the temperate deciduous forests that cover the northeastern united states, including the Adirondack mountains.
<h3>What about Biome?</h3>
- An place is categorized as a biome based on the species that call it home.
- Scientists can define a biome by defining the temperature range, soil type, amount of light, and water that are peculiar to a location and create niches for particular species.
- On the other hand, scientists dispute over the number of biomes.
- Various continents may have different biomes.
- A biome can include a number of environments because the phrase is more general than habitat.
- A microbiome is a combination of organisms that coexist in a specific location on a much smaller scale than a biome, which can encompass enormous areas.
- The collection of bacteria, viruses, and other microbes found on or in the human body is known as the human microbiome, for instance.
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Species evolve over time based on their environment.
If part of a group of a species gets isolated into a new environment, then both species (the initial environment and the new one) will evolve differently because of their different environments and in result become different.
So since they both evolve differently based on their different surroundings, the group that was isolated becomes a new species.