Answer:
A ambulocetus is a walking whale and it is about 11-12 feet long also they had strong limbs.
Explanation:
The human body is made up of trillions of cells. Cells of the nervous system, called nerve cells or neurons, are specialized to carry "messages" through an electrochemical process. The human brain has approximately 100 billion neurons.
The metabolic rate.
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Answer:
A. Includes things that people need and use
Explanation: