Answer:
Heredity
Explanation:
Im not sure how to explain it lol but thats the answer
The human circulatory system processes an average of 20 litres of blood per day through capillary filtration, which removes plasma while leaving the blood cells. Roughly 17 litres of the filtered plasma is reabsorbed directly into the blood vessels, while the remaining three litres remain in the interstitial fluid. One of the main functions of the lymph system is to provide an accessory return route to the blood for the surplus three litres
<span>B. maintain a balance of power.
The alliances among nations in Europe was established to maintain a balance of power in the region.
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Some type of bird skull. Maybe some type or bird pecker with the beak on it
Answer: A.
Explanation: Scientists think that geographic isolation is a common way for the process of speciation to begin: rivers change course, mountains rise, continents drift, organisms migrate, and what was once a continuous population is divided into two or more smaller populations.