Answer:
When a cold polar air mass meets a warm tropical air mass they do not mix - they form fronts. The colder air mass is heavier than the warmer air mass, therefore the lighter, warmer air rises over the top of the heavier, colder air. As the warm air is forced to rise it cools.
Explanation:
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Answer:
True breeding strain
Explanation:
True breeding organism transfers their certain traits or characteristics in their all offspring. The true-breeding offspring appears to be identical in all ways. They respond to the environment in the same way.
They are homogeneous and their characteristics are responsible that differentiate between one member to another member of a species. There are many examples of true breeding such as animals, plants. Many of the breeder who wants to create a true-breeding strain. There are a few techniques that have been used in true strain breeding.
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