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!
Sun's energy
<span>causes air molecules to move rapidly; temperatures are high and it feels warm</span>
I do believe that it is both naturally occurring and caused by human activity. Although science has proven that it is something that naturally progresses with time, humans have sped up the process. Hope this helps:)
not sure, but its part of your heamoglobin which is part of a component of your blood
It’s natural LOL , it can’t be man - made . It depends where you live it though .