Hi! Please help. Is it living or nonliving?

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

I’m stuck on this question cuz i’m stupid sksksksk