Can someone please answer these for meee!

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

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

What will happen if deforestation continue to destroy the green plant on the planet