Explain why it is important to stretch slowly and why bouncing during stretching is very dangerous

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

George’s daughter was born with a hole in her heart. he met up with a group of individuals of questionable character who agreed to deliver to george a healthy heart that could be a transplant for his daughter for a sum of $20,000. the group george negotiated with failed to deliver the heart. george tried to sue when he did not receive the heart but was surprised when the courts would not enforce the agreement.can george force performance of this contract? why or why not? (10 points)will he be able to recover the $20,000 that he gave for the heart? why or why not? (10 points)

How could natural selection best be used to explain the evolution of the white fur of arctic fox