Clonal selection of b cells activated by antigen exposure leads to production of

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Which of the following human activities resulted in the growth of the north american deer population?