Answer:
B. Oxygen
Explanation:
Oxygen is a substance transported with the assistance of red blood cells
This helps by the production of more insulin, by inserting the insulin producing gene into the bacterium, which expresses and result in higher productions of insulin, which can be extracted, purified and used by the people having diabetes.
Explanation:
photosynthesis eats carbon dioide cellaur doesnt
Gravity <span>is a force of attraction that occurs between objects due to their mass
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