Which is not an unintended effect of synthetic pesticide use?

Which of the following systems in absorbing oxygen and releases carbon dioxide

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

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.