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Answer:
Option "C" Oxygen is the correct answer to the following question:
Explanation:
We know that, Just as a human absorbs oxygen into the body through inhalation, the oxygen enters into the whole body also in the blood and is used in the body by cells, so we can say that the human body needs a constant supply of oxygen. therefore, the appropriate option is true
This contributes because their lifestyle revolves around food, and if they live near different areas, they will have to search for different types of food.
Natural regeneration of forests and woodlands is the process by which new trees grow from seeds that have fallen and germinate where they have fallen. The biggest problem with natural regeneration is that is unpredictable. As a result, it cannot be used for commercial farming. For most of the last two or three hundred years, forests and woodlands have restocked by using transplants grown in nurseries. The young trees are planted in equidistant rows. This allows each tree the best possible change of optimal growth.