<span>The answer is C. This is because the discovery of
the cell and its organelles began with the discovery of the microscope in the
17th century. As powerful microscopes were developed over time, the
cell organelle become discover-able by different scientists. As other developments emerged, they enabled tagging of
elements, hence monitoring of biochemical pathways also became possible.</span>
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I believe the answer would be B
Answer:
A)Tetrapods were no longer tied to the water for reproduction. B) Tetrapods could now function with just lungs.
By showing how living things get energy from another.
Answer: Issac became stubborn and defensive because of the fierce nature of siblings and commanding nature of his second father and mother. Due to the stubbornness of his family member he had to leave his study in early childhood and engage in farming which he left ultimately to pursue higher studies.
Explanation: