Why is life the way it is why are people even alive nobody knows unless you do. can you help me?

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?

The law of states that traits are passed from parents to offspring independently of one another.. true or false