Answer:
To speed up the rate of reaction, you could increase the temperature or the concentration of the reactants.
Explanation:
Basically, the idea is to speed up the molecules' movement and to cause them to break apart or collide at greater frequency
Answer:
They have helical thickening of lignin in their walls to prevent collapse
Explanation:
the primary function of Xylem and its conducting vessels tracheids is to provide support and tranport water and minerals in plants.
Xylem vessels have layers of dead materials in the walls called LIGNIN. Lignin is a polymer; a very strong, hard materials that stop water passage through it,because it contains dead cells,
Therefore the presence of deposit of these strong impermeable, ligified walls in its walls prevent its collapse during mass flow of water of transpiration pull.
It should be A) cell since everything is made of cell in a living body.
1. hair
2. pore
3. oil gland
4. sweat gland
5. hair follicle
6. blood vessels
Angiosperms are a plant classification in which the plant beard seeds and flowers, has five flower petals, and has seeds enclosed by fruits.
