Which of the following is not a function of a simple machine? increase energy change direction of force change the distance the force acts through multiply Which of the following is not a function of a simple machine? increase energy
change direction of force
change the distance the force acts through
multiply force

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

the answers are

c and c