Hormones and secretions of the nervous system are chemical messengers that: A. store genetic information

B. carry out the circulation of materials

C. extract energy from nutrients

D. coordinate system interactions​

Could someone me with number one you

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000