B is the correct answer to your question hope it helped
Explanation:
They differ when they have the same chemical composition but the way in which they are arranged or put together is different.
It is called a cell membrane potential
They'll have to do the following 2 stpes:
- Look for evidence that suports their conclusion
- Do tests in order to prove their hypothesis
Hope it helped,
BioTeacher101
Answer:
It has increased
Explanation:
The concentration of carbon dioxide in the atmosphere has increased in the last 200 years. The extra carbon dioxide is causing an enhanced greenhouse effect greater than would happen naturally.