How are ionic and covalent bonds relevant to the suitability of water as a medium for living systems?

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

What molecule does hemoglobin decay into over time