Which statement is not applicable to scientific models?
a) models are a description of nature that can predict things about similar situations.
b) models are too complex to be used by the average person; so they are limited by who can use them.
c) models are testable ideas created by the human mind to tell stories about what happens in nature.
eliminate
d) models are approximations or a sum of a real system that omits all but most essential variables of a system.

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)

Cardiac output is affected by heart rate exercise stroke volume all of the above

List the benefits of vitamin c and vitamin b