D. lenses focus light , mirrors do not
1. they all come from the clouds 2.they are all formed by precipatation. hope this helps enjoyyyyyy!!!!!!!!!!!!!
Answer:
this is a no brainer
Explanation:
As air pressure in an area increases, the density of the gas particles in that area increases.
Deforestation, the chopping off of the trees that can take thousands or even millions of years to grow again<span />
The time for half the atoms in a radioactive substance to disintegrate
https://www.vocabulary.com/dictionary/half-life