They convert glucose into usable energy.
Answer:
[D] Pitch
Explanation:
The measure of how high or low a sound is called the pitch.
Answer:
It's an old writing system from ancient Mesopotamia.
Explanation:
If you check Wikipedia you'll see that cuneiform was a writing system from the sumerians. it comes from the Latin term that means wedge, which is kind of the tool they used back then to wedge shape clay pieces.
