Describe the last major earth event involving an asteroid?

The astroid that greased across east Germany

Explanation:

An astroid grazed across East Germany skyline and vanished leaving a

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.