What type of reaction takes place when using this enzyme (endergonic or exergonic)? lactase is the enzyme

we do the best possible in our

- decrease the number of plants and animals living in the water.

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.