Why does pollan think that "human choices" are to blame in creating such an oversupply of cheap, processed foods?

Draw the conjugate acid for the following base. remember to include charges and non-bonding electrons where necessary.

In the absence of oxygen the net gain of atp for each glucose molecule during glycolysis is approximately

Ascientist publishes a paper that states the changes in the levels of gases in the atmosphere of a moon of saturn indicate that there may be terrestrial life on the moon. which statement correctly answers whether the question of alien life on this moon is scientific?