Depends on what you mean, when he first became president he was 57 years old. And was 65 when his presidency was over.
Greensboro, North Carolina
Answer:
D
Explanation:
You become curious about what third variables might cause both increases in gum chewing and increases in life expectancy.
<u>Answer:</u>
The Muslim astronomers measured the Earth and realized that it was round.
<u>Explanation:</u>
- It has lately come to light that the Muslims were the first to discover that the Earth was round.
- The device named astrolabe that was initially developed by the Greeks was further modified by the Muslims and used to measure Earth during their voyages.
- From the angular readings that they got of the distances from one place to another and the differences that they found out in the lengths of latitudes, they concluded that the Earth is round.
Answer:
Can be positive or negative, but not zero.
Explanation:
The growth rate can be positive or negative, but not zero.
