What is the main problem with renewable energy
sources?

biggest problem with mainstream renewable energy is intermittency.

the biggest problem with mainstream renewable energy is intermittency.

Wind power is only generated when it's windy.

Solar power is only generated when it's sunny.

This creates several fundamental issues.

yes they ca   is ur ansswerrr

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.