Answer: because oil is less dense than water and therefore it floats to the surface.
Explanation:
Answer:
d I think... ................
Answer would be <span>damage to the nerve cells in the spinal cord.
The spinal cord is responsible for sending nerve signals throughout your whole body. Damage to the spinal cord can result in an inability to send signals to parts of the body, including simple reflexes.
</span>
Answer: The answer is the rental system.
Explanation: It produces, stores and eliminates urine and the fluid waste excreted by the kidneys.
The answer would be D, 7 hours of sleep
