C, space.
spacenoun1.a continuous area or expanse that is free, available, or unoccupied
Explanation:
<em><u>Black </u></em><em><u>is </u></em><em><u>more </u></em><em><u>interesting</u></em><em><u> </u></em><em><u>than </u></em><em><u>blu</u></em><em><u>e</u></em>
Answer: because if your heart is too high or low it could very bad foryour body
Explanation: