Describe the relationship between atoms and molecules

Atoms are the smallest particle that an element can be divided in to. When atoms come together, they form molecules and molecules start to create everything around you.

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.