what is the word that was detected by solving the radio wave code received from a far away galaxy recently and caused many suspicions about ET life?

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 are 3 reasons that natural selection occurs

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?