Problem: Martin is moving and he needs to make a ramp so he can load heavy furniture into his truck. He has a bad back, so he wants to use the least effort possible. Before he cuts the wood, he is trying to decide how long the ramp should be so he can move the heavy furniture easily. Will martin get more or less mechanical advantage if he builds a short ramp?

A: less

Problem: Brad and Joe studied atmospheric conditions on different planets of our solar system. Joe studied about Earth, while Brad studied more about Venus. Which person learned less about carbon dioxide clouds?

A: Joe

Problem: Different wavelength electromagnetic radiations have different uses. John is a physicist. He needed to find appropriate wavelength electromagnetic radiations for his experiments. To that end, he selected three electromagnetic radiations, microwaves, infrared light, and visible light. He noted microwaves as case A, infrared as case B, and visible light as case C. Would case A have longer or shorter wavelengths than case B?

A: longer

Problem: Two cousins went for a blood test. Tim found out he had hemophilia, while John was normal. Tim had to start taking medication. Which cousin has a greater chance of bleeding to death?

A:
Tim