first the water is absorbed by the seed shell which physicly helps germination, secondly it is the first signal needed for the embrio inside the seed to start activating all the biochemical and genetic process needed for germination
The root of the plant delivers nutrients, food for the plant, and water to help the plant to survive.
it help the plant to transfer water up to the leaves
It depends on the plant.
it help's the plant stand tall
a root can help it get water
Unless you plant is one that is adapted to brackish water or a seaweed, salt water will kill it. Sugar in the water will also kill most plant roots (though a very small quantity will help cut flowers last longer). Conversely, without water your plant will eventually die, so the answer is that tap water will help your plant.
the sun help the plant and so do the water
water
gives water
Help's in photosynthesis
help
it help's the plant stand tall