Which of the following presents the steps of the engineering process in the correct order

tracks, burrows, eggshells, nests, tooth marks, or gastroliths

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.