Which of the following are functions of both cells and living organisms?

converting food to usable energy

using water

getting rid of waste

all of the above

This is sceince btw

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.