Explain two theories of color vision in humans. how does one of them explain color deficiency?

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

Can someone i have no idea of how to do this.

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?