What causes the color of the red sea?

What causes the color of the red sea?

Located between the East African coast and the Saudi Arabian peninsula, the Red Sea got its name because of a type of algae called Trichodesmium erythraeum, which is found in the sea. When these blooms of algae die off they appear to turn the blue-green color of the ocean to a reddish-brown.

What month does winter begin in the southern hemisphere?

Astronomically, it starts with the winter solstice (around December 21 in the Northern Hemisphere and June 21 in the Southern Hemisphere), and ends with the spring equinox (around March 21 in the Northern Hemisphere and September 21 in the Southern Hemisphere).

When alcohol was illegal in the US?

National Prohibition in America outlawed the sale of alcohol under the 18th amendment to the Constitution in 1919. The Congressional law to implement the prohibition permitted under the 18th amendment was the Volstead Act, coming into operation January, 1920.

What causes a jet stream from a plane?

These trails are actually called contrails, short for “condensation trails”. They are not smoke from the engines, they are formed when the water in jet exhaust (and there’s quite a lot of it, like car exhaust on a cold day) mixes with wet cold air, and condenses and freezes into ice crystals.

What are the three things needed to start a fire?

Students find out that a fire needs three things to start and continue burning: oxygen, fuel and heat. A fire requires three basic components: fuel, oxygen from air and heat. To control the fire, at least one of these components must be removed.

How many minutes do you boil an egg?

Cook for a further minute if you like your soft boiled eggs a little firmer. For a hard-boiled egg, start the egg in cold water and bring up to the boil. Once the water is gently boiling, set the timer for between 7-10 minutes depending on how well cooked you like your eggs.

How long is a day on the moon?

If you were standing on the Moon, you would always see the Earth in exactly the same position, while the stars and the Sun moved around in the sky. The Moon takes 27.3 days to complete an orbit around the Earth. And this the same amount of time that it takes to turn once on its axis.

What was Frankenstein’s original name?

Frankenstein’s monster is a fictional character that first appeared in Mary Shelley’s 1818 novel Frankenstein; or, The Modern Prometheus. In popular culture, the creature is often referred to as “Frankenstein” after his creator Victor Frankenstein, but in the novel the creature has no name.