Answer:
Meiosis
Explanation:
Haploid number of chromosomes
Because water molecules are polar(partially negative and postive charge)
Answer:
The xylem is located in the root, stem and the leaves of a plant.
The xylem contains dead cells arranged end-to-end forming continuous vessels. They have a hollow central space (lumen) through which water passes. They walls contain lignin.
The xylem carries water and minerals, up from the roots to the rest of the plant.
Pollution, burning fossils, undrinkable water
