Why were US Parks originally developed? A) to protect the land in the park
B) to give Americans a place to hunt and fish
C) to conserve wildlife
D) All of the above

answer; ////increased water pollution; ///////////////////////

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.