Q: Which of these provides the best evidence that the environment of Earth has changed over millions of years?
A: marine fossils found in mountains
Q: A wind turbine primarily uses which type of energy?
A: mechanical
Q: How would a drought most likely affect the plants of a grassy plain?
A: There would be shorter plants.
Q: Stretching is considered an important step before engaging in sports. In an investigation to see whether stretching before physical exertion reduces sports injuries, who would the control group most likely be?
A:
athletes who do not stretch before working out