Changing the state of matter is usually
result of?

Changing the state of matter of a substance is a physical change. It is usually caused by

changing the temperature or surrounding pressure of a substance. Remember that we said that the

temperature of a substance is related to the speed of the particles' motion. The speed of the

particles determines the state of matter of the substance.

Explanation:

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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.

its first and third is your answer i did the qustion the fourth isnt right