Because Earth's outer core is liquid and S waves cannot travel trough liquids
They release carbon dioxide for photosynthesis.
The producers synthesize their food through photosynthesis using energy from sunlight and carbon dioxide from the air.
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Answer:
As economies advance, they require more energy. Given today's focus on greenhouse gases, coal usage will decrease. Natural gas is plentiful and is easily used for heat and as a feedstock for chemical production. Petroleum is also readily available and can be converted to energy and chemicals.
Explanation: All three resources are transportable and sources are located across the globe. However they require transportation to areas which don't have ready access. This requires roads, railways, pipelines and ships.
I think the answer may be a cold front not sure trying to help out
I think it’s North Dakota I could be wrong
