Why did the Mississippi River run backwards?

Why did the Mississippi River run backwards?

In 1811 and 1812, a series of earthquakes emanated from New Madrid, Missouri, and were felt as far away as Ohio and South Carolina. The soil beneath the Mississippi River rose, temporarily changing its course so that it flowed backward.

Why does the moon control the tides?

The tides are due to the gravitational pull of the Moon and the Sun on the Earth. Because the gravitational force decreases as the distance squared, the part of the Earth that is closer to the Moon or the Sun is pulled a little extra and a bulge is created.

Who was the first person to win two Nobel Prizes?

Marie Curie was the first person to win two Nobel Prizes, and is one of only two people in the history of the Nobels to win in two different fields. She and her husband Pierre, along with Henri Becquerel, won the Physics Prize in 1903 for their discovery of radioactivity.

Who formulated the first periodic table?

Although precursors exist, Dmitri Mendeleev is generally credited with the publication, in 1869, of the first widely recognized periodic table. He developed his table to illustrate periodic trends in the properties of the then-known elements.

What is the color of hydrogen?

For example, hydrogen is a colorless gas, carbon as charcoal or graphite is black, common sulfur is yellow, chlorine is a greenish gas, bromine is a dark red liquid, iodine in ether is violet, amorphous phosphorus is red, rust is dark orange-red, etc.

Do Otters have pouches?

Yes. Southern sea otters have flaps of skin under their forelegs that act as pockets. When diving, they use these pouches to store rocks and food.

When did they move the goal posts to the back of the end zone?

Goal posts were originally kept on the goal lines, but after they began to interfere with play, they moved back to the end lines in 1927, where they have remained in college football ever since. The National Football League moved the goal posts up to the goal line again in 1932, then back again to the end line in 1974.

Where is Coca Cola not sold?

There are now just two countries in the world where Coca-Cola cannot be bought or sold – at least, not officially. They are Cuba and North Korea, which are both under long-term US trade embargoes (Cuba since 1962 and North Korea since 1950).