The following image shows the way that carbon cycles through our ecosystem: Based on this diagram, which of the following statements BEST describes how carbon might make its way into animals in the ecosystem?
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Animals breathe in the carbon dioxide from the air and are capable of converting it to usable organic molecules
Animals absorb carbon by drinking purified water.
animals eat plants or other animals that have eaten plants with therefore contain carbon
Fertilizers containing manure allow the carbon to seep into the fruits and vegetables that animals eat.