Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.
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True, the trachea is a cartilaginous tune that connects to the pharynx and larynx.
Answer:
The answer is a. Annelida
Answer:
D. gene expression and protein synthesis can be considered the same thing
Explanation:
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