Starch blocker help prevent the body from absorbing starches so you don't absorb calories, and fat blockers are kind of the same thing, they don't let your body absorb fat, instead it excretes it as waste.
Birth and immigration
death and emigration
Answer:
you wont be able to conduct experiments with independent variable because your not to control what happens in the enviroment. like rain or sunlight
Explanation:
