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Answer 1

Answer: 1. Oxygen in air is an exhaustible natural resource. Resources which are present in unlimited quantity in nature are called exhaustible natural resources.

2.Botany One of the tiny openings in the epidermis of a plant, through which gases and water vapor pass. Stomata permit the absorption of carbon dioxide necessary for photosynthesis from the air, as well as the removal of excess oxyge

3.Botany One of the tiny openings in the epidermis of a plant, through which gases and water vapor pass. Stomata permit the absorption of carbon dioxide necessary for photosynthesis from the air, as well as the removal of excess oxyge

4.Leaves prepare food in presence of sunlight by a process called photosynthesis. In this process, food is produced by utilizing water and carbon dioxide in the presence of sunlight. Therefore, leaves are called food factories of the plants.

5.A plant with no chlorophyll means there is a plant that does not produce its own food via photosynthesis. ... The overall chemical process behind photosynthesis involves a plant converting carbon dioxide and water into breathable oxygen (O2) and a sugar— the last of which becomes the plant's energy source.

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