Answer:
Option D. Replace a conventional car with an electric car.
Explanation:
Conventional cars are those which moves with the use of fossil fuels such as petrol and diesel etc while electric cars are those cars which moves with the use of electricity. When fossil fuels burns in the engine of conventional cars, it produces a large amount of smoke which cause pollution in the air while electric cars do not emitt any harmful gases in the environment so electric cars are used instead of conventional cars.
Answer:
Explanation:
Reproductive isolation must occur so that the gene pools are isolated. When the gene pools are isolated, changes that occur in one gene pool will not be carried over to the other gene pool. Thus, over time, accumulated gene pool changes can produce a new species.
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The digestive system of the earthworm consists of the alimentary canal and the digestive glands. the alimentary canal runs as a straight tube throughout the length of the body from the mouth to anus. the mouth opens into the buccal cavity which occupies the 1 and 2 segments
approximately 115 days
Human red blood cells (RBC), after differentiating from erythroblasts in the bone marrow, are released into the blood and survive in the circulation for approximately 115 days.