Answer:
chitin
Explanation:
chitin is a complex carbohydrates, similar to cellulose, that makes up organic structure, such as the cell walls of fungi and exoskeletons of insects and other arthropods.
The mesosphere is coldest, reaching temperatures of -90 degrees Celsius
No becuase it is made of hydrogen so it dosen't freeze
Answer:
A. The same species of organisms from one geographic area make up a population.
Explanation:
- Population refers to a group of organisms of the same species living in the same geographical area at the same time. Therefore organisms of similar species make up a population.
- Several populations in turn make up a community. This explains why a community refers to groups of different species living in the same geographical area or an ecosystem.
<span>C. the amount of pressure the solvent is under</span>
