Answer: It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce. Without heat from the sun, Earth would freeze.
Alfred Wegener’s theory of continental drift __________. A. has always been accepted among the scientific community B. has never been accepted among the scientific community C. was accepted at first, but later rejected by the scientific community D. was rejected at first, but later accepted by the scientific community