Answer:
a weightlifter lifts a 20 kilogram barbell above his head
(C) it's genes and it's environment.
Answer:
B
Explanation:
Erosion displaces sediment.
Answer:
DNA.
Explanation:
Chromosones use a molecule called DNA to carry genetic information. A DNA exists in a cell's nucleus within structures named chromosones.
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Answer:
The area under a speed-time graph represents the distance travelled.