Answer: The use of water is increasing day by day and the amount of freshwater available for the daily use is less than 1%. There are thousands of activities going on in this 1 % of water only. There is a huge of amount of water present on earth but that cannot be used because of being salty. The use of water is a concern because most of the water is wasted that water is freshwater only. The water used for brushing, bathing, agriculture, etc is freshwater only. Water should be used in a sustainable manner to fulfill the demand of present generation and save for future generation because life is impossible without water.
Vestigal organs are organs that, as we evolve, the organs loose their purpose and have no function anymore. The appendix is a vestigal organ
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Blood is just red.
Blue blood in diagrams is just used to distinguish between deoxygenated and oxygenated blood but there’s no such thing as hving blue blood.
The tiny holes in the cell walls of plants that allow for the passing of materials are called the plasmodesmata. The correct option among the different options given in the question is the second option. Plasmodesmata are actually very small or rather microscopic channels that traverse the cell walls of the plant cells.
Answer:
It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions.
Explanation:
