Ans. An isotope of Hydrogen called Tritium has one Proton and two Neutrons and its mass is 1
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The skin of a cell
molecule flow from high to low
glucose facilitation
ion channels
That would be called <span>Defecation.</span>
The central vacuole in a plant cell takes up most of the space. The vacuole stores wastes and nutrients, and also provides support and structure for the cell.
A. to increase food production
