Ineed with question 15 and it’s very hard and i’m struggling with it and if you need to see the picture big then click on it and it will be big

Which of the following conclusions can be drawn

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c