A =1 if dark means can not be seen
B =2
c=4
D=3
It’s a.
The greenhouse effect is how we Earth’s climate has remained habitable for humans and other species.
Gases absorb solar energy and keep the heat close to earths surface, rather than letting it escape into space.
Answer:
Extremophiles are organisms that live in "extreme environments," under high pressure and temperature. ... It's important to note that these organisms are 'extreme' only from a human perspective. While oxygen, for example, is a necessity for life as we know it, some organisms flourish in environments with no oxygen at all.
Explanation:
It is important to know how they live
Answer:
A vertebrate is an animal or species distinguished by its possession of a backbone or spinal column. Vertebrates can be insects, fish, mammals, birds, reptiles, and also amphibians.
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