Look at the topographic map below. Sandstone

What is the contour interval on this map? Use the index contours, and assume the elevations are in feet.

? you expect us to answer this? ? this is your schoolwork, i don't think we can with this, i think it would considering being

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.

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >