What is a cell membrane composed of?

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?