essay on oxygen with fully explanations..............
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Answer:
It is pale blue when it is liquid or solid. Oxygen is part of the chalcogen group on the periodic table. ... Oxygen is a part of water, which all known life needs to live. Algae, cyanobacteria and plants make the Earth's oxygen gas by photosynthesis, using the Sun's light to get hydrogen from water, giving off oxygen.
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Answer:
Oxygen is basically a colourless and odourless gas which is a part of several compounds like water as well. Humans along with other mammals require oxygen necessarily. They need it to carry out their daily tasks and smooth functioning of the body.
Even the cells in our body need oxygen to function properly. All the living beings inhale oxygen in their lungs for proper respiration. After that, our cells absorb this gas to distribute it evenly to other cells of the body. Most importantly, oxygen is also stored in our body for emergency use so we can survive critical situations.
Furthermore, we also need oxygen to produce energy which helps in doing our tasks efficiently. For instance, through oxidation, our food and liquid get converted into energy. It is also beneficial in repairing our cells and maintaining our health.
Thus, we must ensure that we get an abundant supply of oxygen from nature. Do not cut down trees and clear out forests. On the contrary, we need to plant more trees. Similarly, do not pollute the air and hamper the oxygen quality. Avoid using personal conveyance and make sure to not leave a carbon footprint.