Cells may communicate with one another by/through
a. transferring signal molecules to adjacent cells through gap junctions
b. locally acting chemicals, called paracrines, autocrines or neuromodulators
c. long-distance means, which rely on combinations of electrical and chemical signals

What heat is removed how does a gas become a liquid

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 is the following best defines climate?