Answer:
It's probably 50%
Explanation:
Since Bb is repeated twice, it is 50%.
Hope this helps!
Answer:
I'm more then sure it is A but let my know it im wrong if i am sorry :)
Explanation:
Fossil fuels release carbon dioxide gas when they burn which adds to the greenhouse effect and increases global warming. Of the three fossil fuels, for a given amount of energy released, coal produces the most carbon dioxide and natural gas produces the least.
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The second one I believe.