Answer:
The same number of particles in a gas spread further apart than in the liquid or solid states. The same mass takes up a bigger volume . This means the gas is less dense. Density also depends on the material.
Transpiration produces a tension or pull on the water in the xylem vessels by the leaves. Water molecules are cohesive so water is pulled through the plant .
The percentages of the daily values on food packages are given in terms of a person requiring 2000 calories each day
