Answer:
A root hair, or absorbent hair, the rhizoid of a vascular plant, is a tubular outgrowth of a trichoblast, a hair-forming cell on the epidermis of a plant root. ... Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis.
Explanation:
There is a picture too.
The answer would be:
Energy
If you'd like to know more about the answer read on:
Amplitude refers to the displacement of a particle from the rest point of a wave. A wave that has high energy, has a high amplitude while one with low energy, has a low amplitude.
You can refer to the image attached to see where the amplitude is on a wave.
