Answer:
C
Explanation: it fixes nitrogen
By studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth. There are gaps in the fossil record because many early forms of life were soft-bodied, which means that they have left few traces behind. This is why scientists cannot be certain about how life began.
Answer:
"it was once part of the organisms from which the fossil fuels formed"
Answer:
the more people the less water, we can use water to clean our selves or to water our plants or pets, we throw trash in to the water and pollute our water resources
Explanation:
The answer is the
population size. The chance has a role
in determining whether a given individual survives and reproduces and the
alleles in the offspring are a sample of those in the parents. it is the change
in the frequency of an existing gene variant (allele) in a population due to
random sampling of organisms. Genetic Drift or another term for allelic drift
or the Sewall Wright effect.
