Answer:
Greenhouse effect
Explanation:
Greenhouse effect is the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
B - The Apollo missions originally took Americans to the moon. Artemis is the twin sister of Apollo and goddess of the Moon in Greek mythology.
The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great<span> change on Earth. The era began with the breakup of one supercontinent and the formation of another. Plants became widespread. And the first vertebrate animals colonized land. so its B</span>
<span>Timber is an abundant natural resource found in Canada.</span>