(Question)
Q: Potential energy is not only associated with the location of matter, but also with the structure of matter. even a spring on the ground has potential energy if it is what? Choices: - ignored - watched - coupled - compressed A:
(Answer)
compressed

(Question)
Q: Planting a row of trees around a field or erecting a fence on a sand dune helps prevent what form of erosion? Choices: - fire - water - rain - wind A:
(Answer)
wind

(Question)
Q: Which lipid is mainly responsible for narrowing arteries and causing the disease atherosclerosis? Choices: - monoglyceride - unsaturated fat - saturated fat - cholesterol A:
(Answer)
cholesterol