Emily made four paper helicopters. Each was made out of a different kind of paper. She few each one several times in the hallwayand recorded how long each stayed in the air.
Explain how u know

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

As a small change in a person's dna can cause a genetic disorder

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. agouti x albino a) 1/2 albino, 1/2 agouti b) all agouti c) 3/4 agouti, 1/4 albino