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Canis familiaris is the closest relative of Canis lupus. </span>
It starts in the mouth. You start to chew in which the glands that produce saliva make it easier to send down the esophagus
Answer:
Enzymes are biological catalysts which speed up biochemical reactions.
Answer:
A
Explanation:
Because there are two DNA strands in the DNA molecule and they both rotate around each other in a helix formation. So two helixes = double helix.
Answer:
Humans release carbon dioxide (CO2) into the atmosphere through cellular respiration. This CO2 is used by plants during photosynthesis. During photosynthesis, plants release oxygen (O2) into the atmosphere. The oxygen is used by animals in order to carry out cellular respiration.
Explanation:
I put all I know into that so it should be right but if it isn't then I'm sorry
