Natural acids because chemicals erode rocks in chemical weathering
The garden plants and snails stay balanced as they are still being eaten. However, if the cat is removed, the birds will overpopulate and then the snail would be eaten and decrease faster which gives garden plants an increase in population due to the decrease in snails. Hope this helps!
Missense mutations.
Hope this helps!
Deforestation- "The action of clearing a wide area of trees."
The growth of human population would require more homes and resources for everyone. The more the population grows, the more resources required. Forests will be cut down and burned due to the need of more homes and food.