Why is double loop circulation better for larger, more active animals than single loop circulation

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?

What abo controlling alleles could kim give her child

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above