1. Which sentence about galaxies provides evidence of universe expansion that supports the Big Bang Theory? Galaxies are moving away from each other.
Galaxies are in constant motion.
Galaxies are moving more slowly than they have in the past.
Galaxies are moving at different speeds and in different directions.

1 i think. i may be wrong tho

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

"d.) carbon dioxide and hydrogen sulfide"