Answer:
Salt in the ocean comes from rocks on land. The rain that falls on the land contains some dissolved carbon dioxide from the surrounding air. This causes the rainwater to be slightly acidic due to carbonic acid (which forms from carbon dioxide and water).
The substance is the chemical food source for the soybean plants is glucose. A soybean plant uses cellular respiration to generate usable chemical energy, released within the cell as molecules of <span>carbon dioxide.
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The answer is oil.
The United States' fossil shortage of oil makes the country dependent on outside sources. Mineral oil such as crude oil or commonly known as petroleum came from the ancient fossilized organic materials. This resource is limited. The US is now facing a shortage in oil and becoming dependent to some countries such as middle-east countries.
B is the correct answer because all the classes are hierarchy’s in a sense
