Which of the following statements is true? question 17 options: there is only one kind of harmful uv ray from the sun. we need vitamin d from the sun so there is no unsafe exposure level. from 10am to 4pm are the most dangerous hours for exposure to the sun. spf 10 is the minimum for safe protection from the sun.

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)

Dark clothing enables sweat to be evaporated on the skin's surface very quickly. loose light tight

First to answer will be the brainliest i need the answer asap