Answer:
Scientists think that geographic isolation is a common way for the process of specification 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. ... This may or may not be sufficient to cause specification.
Explanation:
Bones support the body and give it shape. Bones such as the rib cage and the cranium protect vital organs. Bones provide anchor points for muscles, allowing the body to move. Blood cells are produced in the marrow of long bones.
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Answer:
Molecules in a liquid have enough energy to move around and pass each other. ... the thing you add to the water is pushed around by the water molecules. Since the molecules in warm water move around faster, the material spreads out quicker in the warm water than in the cold water.
Explanation: