Explain the relationship between elements and atoms.
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The key difference between atoms and elements is that the atoms are the smallest units that build up all matter whereas an element is a species of atoms that includes the atoms that share the same chemical and physical properties. Anything that we see and feel around us is called matter.

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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.