Answer:
Number 3.
Explanation: The sun produces radiation in the car, which then becomes hot because much radiation is coming in, but little goes out.
Glucose is blood sugar and is the main source for metabolism. Galactose is half of "milk sugar" (aka lactose). Fructose is "fruit sugar." it is true that all of these are 6- carbon sugars, but its how they are rearranged. "Shape determines function."
