What are the percentages of fresh and saltwater on Earth?
A. 50% fresh, 50% salt
B. 3% salt, 97% fresh
C. 70% salt, 30% fresh
D. 97% salt, 3% fresh
Select your answer:
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Physical fitness , Wellness and Lifestyle › ViewWhich one of these best describes coordination ?
A. To change body position quickly
B. To exercise the body for long periods of time
C. To move tow or more body parts together smoothly
D. To perform strength movements quickly
Hematology › View
Substance synthesized by endothelial cells which is a platelet inhibitor and vasodilator
A. prostacyclin
B. nitric oxide
C. TFPI
D. heparan sulfate