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A) drive a car less (any car) and you are conserving energy
Answer:
B
Explanation:
theyre all different bcz of genetic variation
The blood is collected in heparinized capillary tubes to prevent clotting. Heparin is a blood thinner and this anticoagulant is produced naturally by mast cells and basophils. But heparin can not dissolve or break the preformed clots.