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.
Answer:
Explanation:
Humans are 99% identical and what makes each one of us nunique is like 0.1% of our genome and the human genome is up of three billion base pairs which mean 0.1% is still equal to three million base pairs. In those three million differences lies the changes that gives you the green eyes instead of blue eyes etc.
Answer:
B. 2-3 inches
Explanation:
Children between the ages of 2 and 6 years tend to grow about 3 inches in height each year and gain about 4 to 5 pounds in weight each year. The average 6-year-old weighs about 46 pounds and is about 46 inches in height.