Societal risk and benefits of Ethylene pls help me

What stage(s) of cellular respiration make atp?

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures