Plz help me this is for biology what does this sentence mean?

A bladder spasm, or "detrusor contraction," occurs when the bladder muscle squeezes suddenly without warning, causing an urgent need to release urine.

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

c.more precipitation,but only when emission levels.

yes!

explanation:

because it has a type of fat that can make you extremely sick

a = executive branch; b = judicial branch