The correct option is B.
The field of science is very dynamic and it thrives on discovery of new evidences. When new evidence are found for a particular phenomenon, the existing phenomenon has to be adjusted to fit the new discovery. Air pollution was once named to be responsible for global cooling because enough evidence was not available then to prove otherwise but now overwhelming evidences show that pollution is responsible for global warming.<span />
1. B. 2.B 3.C.
1. Fossils is a main supporter of the evolution theory
2. Evolution
3. Lack oh adaptation risk death
Answer:
They are closer with their friend than their enemy, and just write about your personal experience and how you behaved.
Explanation:
Answer: 100% are round because they have the dominant trait (F)
The second one is 0%
Explanation:
The nitrogen cycle could no exist without bactria. bacteria that lived inside the ground, catch the nitrogen that has been fixed and covert it into nitrate.