At room temperature an element is a

a. gas
b. liquid or gas
c. gas or solid
d. liquid, gas. or solid

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.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.