Why do trout need to live in cold places

Trout and stream fish prefer to spend winter in habitats with large deep pools and boulders and survive under the stationary ice.  they survive under ice

Explanation:

the answer is c i believe

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.