Astudent pushes against a tree with a force of 10 newtons (n). the tree does not move. what is the amount of force exerted by the tree on the student?
1) 0 n
2) 5 n
3) 10 n
4) 20 n

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