What process do scientists use to answer questions about the world; for example, redi's experiment with rotting meat?

Which one of these is a involving in both sexual and asexual reproduction

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

What is the ecological role of food chains and food webs