El Niño is a natural event that periodically weakens the
western surface of ocean currents in the equatorial pacific ocean. In an El Niño,
the wind that pushes water around (which keeps the east warm and west cold)
gets weaker making the ocean warmer, changing the air temperature and precipitation patterns in the United States.
he conquered the Aztecs in 1521
The CN tower is the tallest freestanding structure in the Western Hemisphere.
<span>If you see a very tall, rock feature that looks like a jagged, rectangular block sticking out of the ground, you're probably observing a volcanic neck. Also known as a lava neck or volcanic plug, a volcanic neck is formed when magma solidifies within a vent of an active volcano. This can harness great amounts of pressures which could lead to an explosive eruption.</span>
