An isotope contains 26 protons 24 electrons and 32 neutrons

its not an isotopes because it does  not contain same number of protons and electrrons

Explanation:

petroleum? coal maybe?

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.