Oceans By: Brooke o'neill

Don't Drink the Seawater!

Drinking seawater dehydrates you because of the salt it contains. The salt content in seawater is much higher than what the human body can take in and process. Your kidneys can only make urine that is less salty than salt water. Therefore, to get rid of the excess salt, you have to urinate more water than you drink. Eventually, this could kill you.

Why is the ocean important to life on Earth?

Oceans are the lifeline to life on Earth. They hold around 97% of Earth's water and cover 71% of Earth's surface. They produce more than 50% of our oxygen and they absorb most of the carbon from it. Anything that the United States imports from another country is usually carried over here by boat. They wouldn't be able to transport it to us without the ocean because boats don't work on land! There are so many people who use and depend on the ocean for their daily lives that scientists are starting to worry about how much longer we will be able to use it without it starting to lose water.

How are ocean currents related to Earth's climate?

The ocean is critical to the heating of our planet. The majority of the sun's radiation is absorbed by the ocean, it's almost like a nature-made solar panel. Unlike a solar panel though, instead of heating one part of the world, it helps to heat the entire globe. Ocean water is constantly evaporating, increasing the temperature and humidity of the air to form rain and storms that are then carried by trade winds. In fact, almost all of the rain that falls on land starts off in the ocean. Earth’s weather patterns are mostly driven by ocean currents. Ocean currents transport warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics. Without currents, regional temperatures would be more extreme and much less of Earth’s land would be fit for human (or plant) life.

Zones of the Ocean: Sunlight Zone (0-656 feet): This zone gets the most sunlight, creating an abundance of plants. Common animals you find here are seals, sea turtles, sea lions, manta rays, and sharks. Twilight Zone(656-3,280 feet): Only a limited amount of light reaches this zone. No plants grow here. Common animals you might find here are jellyfish, octopuses, and squid. Midnight Zone (3,280-13,123 feet): No sunlight reaches this zone. Most of the animals here don have eyes. Common animals you might find here are viperfish, anglerfish, snipe eel, and tripod fish. The Abyss (13,123-19,685): Often used to describe the sea as a whole. Most of the animals here don have a backbone. Common animals you might find here are sea spiders, blind shrimp, and hagfish. The Hadal Zone (19,685-36,197 feet): Mostly in deep water trenches or canyons. Water temperatures are barely above freezing. Common plants/animals you will find here are sea cucumbers.

Credits:

Created with images by tpsdave - "california sunset dusk" • duabelas - "Tanjung Gelam, Karimunjawa" • WikiImages - "earth map winter" • www.twin-loc.fr - "https://www.twin-loc.fr Sunrise Cap Ferret Banc du Toulinguet - Arcachon - Océan Atlantique - Picture Image Photography - Sunset - Coucher de soleil - Dune du pilat pyla - Banc d'arguin water eau vagues waves beach plage sky colors red yellow"

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