Light waves compress as an object is moving toward an observer, causing the light to shift to the end of the electromagnetic spectrum.

Blue

Explanation:

Light waves compress as an object is moving toward an observer, causing the light to shift to the blue end of the electromagnetic spectrum

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.

the answer is 1. photosynthesis. glad to