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.
It makes a longitudinal wave because it stretches and compresses while it slithers forward
Answer:I think it is oxygen
Explanation:
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B. A b and d are eukaryotic
