Q: A jet plane is moving at a constant velocity on a flat surface. Which forces act against the forward motion of the plane?
A: friction and air resistance
Q: Which human activity is most harmful to the natural environment?
A: cutting down a rain forest
Q: Gregor Mendel was the first to show that organisms had traits that are passed on from parents to the next generation. In order for the scientific community to accept Mendel's discovery, others had to
A: duplicate the results of his experiments.
Q: Which of the following groups of organisms uses sunlight to convert carbon dioxide and water into sugar and oxygen?
A:
producers