Answer:
It could be used by terrorists as a means of biological warfare
Explanation:
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun.
Carbon dioxide is added to the atmosphere by human activities. When hydrocarbon fuels (wood, coal, natural gas, gasoline, and oil) are burned, carbon dioxide is released.
<span>St. Lawrence River, the Great Plains, and the Rocky Mountains are major land forms that both Canada and the United States of America share. You could also say the great lakes. Hope I helped. </span>
Answer: "the vernal equinox" .
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