The majority of marine organisms are found in coastal regions, rather than the open ocean. Which of the following best explains why?
O Salinity is usually much higher in coastal regions.
O Temperatures are cooler in coastal regions.
OOcean currents bring nutrient-rich water into coastal regions.
OThe shallow waters of coastal regions provide less Oxygen.

Ocean currents bring nutrient-rich water into coastal regions.

Explanation:

About 70 percent of our planet is covered by water. The earth has been declared a "blue planet" because it looks blue from space. About 96 percent of this water is the sea or salt water, made up of the ocean that covers the Earth.

Within these oceans, there are many different types of habitats or environments inhabited by plants and animals, from the freezing of polar ice to tropical coral reefs. Most marine life is found in coastal habitats.

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igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava