Know the Location of the following: Metals, Non-Metals, Metalloids. Groups: Alkali Metals, Alkali Earth Metals, Halogens, Transition Metals, Noble Gases. Energy Levels/Periods 1-3. Orbitals: s, p. (See Attachment)

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.

6.4 cm (max) - 25 cm (min)