How much force is needed to accelerate a 200 kg skier at 2 m/sec2?

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

If a young male's body is just beginning the process of producing sperm, when is it likely that he would ejaculate mature, viable sperm"

The protein(s) that are the major contributors to plasma osmolarity is/are