What type of chemical bond is dihydrogen monoxide or the water molecule

Which direction does the energy flow in this energy pyramid ?

Ture or false evidence for evolution includes millions of fossils

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants. d- food molecules are broken down in the cells if living things.