1. The water particles at the surface attract each other in a way that makes the surface act like a skin. This effect is called .
2. A thicker fluid is more resistant to flow. Therefore, it flows more than a thinner fluid.
3. A dehumidifier works by passing air through a set of cold coils. Why do they do this?

Explanation:

1. Cohesion 2. Slowly 3. The water particles in the air will be attracted to the cold coils, removing moisture.

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.

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