Para el ejemplos del fósforo, que tiene número atómico= 15 y masa atómica=31. El número de protones y electrones es

i believe it is a.) released into

explanation:

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.

it is b that is the answer.