You are presented with the question "What has a positive impact on a human's health?" and the following answer choices: - disease - sweating - death - injury - playing - swimming - food - stamina Now knowing that exercise has a positive impact on a human 's health and endurance exercises Endurance exercises include cycling, running, and swimming, choose the best answer.
swimming

You are presented with the question "What can help repair cells in the human body?" and the following answer choices: - yeast - fats - corn - soil - sunlight - meat - lipids - dust Now knowing that protein is used to repair cells by the human body and meat is a good source of protein, choose the best answer.
meat

You are presented with the question "What uses electrical energy converted from chemical energy?" and the following answer choices: - sunlight - cameras - cells - buses - bacteria - Cars - dogs - vehicles Now knowing that abattery converts chemical energy into electrical energy and cameras use batteries, choose the best answer.
cameras

You are presented with the question "pushing on the pedals of a bike cause what?" and the following answer choices: - electromagnetic energy - Pollution - friction reduction - kinetic energy - decreases its bodily water - mechanical - get started - Heart rate Now knowing that pushing on the pedals of a bike cause that bike to move and wheels reduce friction with the floor to help cars move, choose the best answer.
friction reduction