Answer: A, excessive pollution decreases a communities access to affordable clean water.
Explanation: ap3x
yes i m agree with that Pure substances include only single atoms made of one element.
in chemistry , a pure substance that has only one kind of atom and cannot be broken into two or more simpler substance by physical or chemical means is an element . for ex. gold , silver , iron etc
C. He compared two groups of finches to illustrate natural selection
(although it was actually 4 groups of finches from 4 different islands)
Answer:
Ultraviolet light
Explanation:
Exposure to UV radiation from sunlight can cause sunburn.
