Which of these questions can be answered through science?
a. do people watch too much television?
b. what is beauty?
c. how does dna influence a person’s health?
d. is it ethical to do experiments on animals?

c. How does DNA influence a person's health?

Explanation:

The questions related to science can be answered by using suitable scientific procedures.

Among the options given, c. How does DNA influence a person's health? is the correct option because the genetic makeup of the person can be known by applying suitable scientific techniques like Polymerase chain reaction and DNA fingerprinting. The expression of genes is repsonsible for development of proteins in the body some of which can be antibodies which fight against disease causing pathogens and keeps the body healthy.

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min