They are are in your respiratory system and the are there to help you breath and you forgot avolli
Ecology is how nature works and flows, without it everything would be messed up, such as food chains and how people would be ranked on natures list.
A, "Wind energy is a nonrenewable resource," is incorrect.
Water-borne diseases, including cholera, typhoid, and dysentery, are caused by drinking water containing infectious viruses or bacteria, which often come from human or animal waste. Water-washed diseases, such as skin and eye infections, are caused by lack of clean water for washing.
Answer - Ground water erosion is a type of carbonic acidic water. That goes into the holes thru the soil and pretty much cracks thru rocks.
