The main argument against drug testing is expensive time consuming privacy unreliable tests none of these

Which part of cellular respiration must occur before any of the other steps can occur

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

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes