The Oceans and Atmosphere Worksheet
Prepare a 50- to 75-word response to each of the following questions using the assigned readings for Week 4. Your responses will be assessed according to the accuracy of the content.
Oceans
Question
Response
What is the composition of seawater?
Almost anything can be found in seawater. This includes dissolved materials from Earth's crust as well as materials released from organisms. The most important components of seawater that influence life forms are salinity, temperature, dissolved gases, nutrients, and pH.
What are the three major layers (zones) found in the ocean? Describe each layer briefly.
The ocean is divided into three zones based on the amount of sunlight they get. The three zones are sunlit also known as euphotic Zoë this one is at the surface and gets enough sunlight to support photosynthesis. 90% all Marie lie live in this zone. The next is twilight or disphotic zone the zone get very little light and only animals that have adapted to little sunlight can survive including lantern fish, rattalk fish, and vipor fish. The third zone is called midnight zone or aphotic zone. This zone consist of 90% of the ocean and has no light at all. The wart pressure is extreme ad thing that live there are angler fish and sea cucumber.
What is an ocean current?
How do oceans regulate climate?
What causes a change in sea level?
Se level can change when the water warms or cools it will expand and contract, the amount of water contained as ice on land changes, or when the earth’s surface moves vertically. The first are strictly due to climate and temperature change.
What causes ocean tides?
Gravity is what causes tides. Tides are a result of gravitational pool from the sun and the moon on the ocean. Sir Isaac Newton is the one who shows us this in his law of universal gravitation.
What is the relationship between plate tectonics and the ocean floor—seafloor spreading, for example?
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