Question: Q: What force opposes a motion of a moving body? for example a car breaking on a road. Read this paragraph and choose the correct option from the provided answers: Friction is a force that opposes motion between any surfaces that are touching. Friction can work for or against us. For example, putting sand on an icy sidewalk increases friction so you are less likely to slip. On the other hand, too much friction between moving parts in a car engine can cause the parts to wear out. Other examples of friction are illustrated in the two Figures below and below . You can see an animation showing how friction opposes motion at this URL:. Choices: - tension - vibration - thermal - friction A:
Answer: friction

Question: Q: What muscle is imperative to breathing in helping the air move in and out of the lungs? Read this paragraph and choose the correct option from the provided answers: Breathing is the process of moving air into and out of the lungs. It depends on the muscle called the diaphragm. Choices: - uterus - spleen - kidneys - diaphragm A:
Answer: diaphragm

Question: Q: What field of science seeks to explain how traits are passed on from one generation to the next? Read this paragraph and choose the correct option from the provided answers: Genetics is the study of inheritance. The field of genetics seeks to explain how traits are passed on from one generation to the next. Choices: - zoology - biochemistry - quantum physics - genetics A:
Answer:
genetics