The bond that holds cations and anions together is known as Ionic bond or electrovalent bond.......
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The bond between one carbon atom and one oxygen atom is polar but due to the fact that there is another oxygen attached to the carbon which has the same electronegativity value as the oxygen on the other side, the effect of polarity is canceled.

is non-polar because the oxygens symmetrically alligned on the opposite sides of the carbon cancel the polarity effect.
Answer:
it's considered autotrophic ;)
Answer:
Water and energy
Explanation:
Water and carbon dioxide are exchanged between the ocean and the atmosphere. Carbon dioxide is taken out of the atmosphere by photosynthesis into plants to produce ENERGY.