Answer:
The small opening present on the epidermis which helps with exchange of gasses and transpiration is called stomata. Since most of the water (90%) is lost through stomata it regulates the level of excess water in the plant.
Explanation:
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It causes eutrophication which means that the algae have too much nutrients and take over the pond, use the oxygen so there is not enough left for marine life, which die as a result.
It is a type of transport molecule
The lower the number of pH, the more acidic it will be.
0= highly acidic
14= highly basic