When do humans store fat molecules in their bodies? (1 pt.) * 1. Humans store fat molecules every time they eat anything that contains Calories.
2. Humans store fat molecules when they eat food with a lot of fat.
3. Humans store fat molecules when they eat junk food.
4. Humans store fat molecules when they eat more Calories than they need.

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed