Question

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Answer 1

Answer:

• : The animals in polar region have thick fur and thick skin to protect themselves from the cold climatic conditions. Tropical deciduous trees shed their leaves in the dry season to conserve water.
• Since deciduous plants lose their leaves to conserve water or to better survive winter weather conditions, they must regrow new foliage during the next suitable growing season; this uses resources which evergreens do not need to expend.
• The growth of vegetation depends on temperature and moisture. It also depends on factors like slope and thickness of soil. The type and thickness of natural vegetation varies from place to place because of the variation in these factors. these factors, dense and open forests are grown.

Answer 2

Answer:

There are several kinds of mean in mathematics, especially in statistics. For a data set, the arithmetic mean, also called the expected value or average, is the central value of a discrete set of numbers: specifically, the sum of the values divided by the number of values

Explanation:

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