Living organisms exist only on the Earth's crust.
Answer:
D. tip his head back farther to open his airway.
Explanation:
Tilting the head farther back moves the tongue away from the back of the throat, allowing air to enter the lungs.
<span>If the earth tides are decreased, the explanation would likely be: the gravitational attraction decreases as the earth moved farther from the sun, thus, affecting the tide. On the other hand, if the gravitational pull increases, it would mean that the earth tide would also increase. Remember, the two major factors that influences earth tides are: gravitational pull of the moon and of course, the sun.</span>
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.
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