Percentage of human sperm cells carry an X chromosome is C 50%
Answer:
B. Postindustrial
Explanation:
A type of society in which food production—carried out through the use of human and ... Production is slow, and the amount that can be produced is limited. In preindustrial societies most economic activities are carried out within the home setting. ... Higher crop yields allow agricultural societies to support large populations.
Answer:
Xylem carries water and minerals from the roots to the leaves. Whereas, phloem carries the food prepared by the leaves to different parts of the plant.
Explanation:
Explanation:
nitrogen is converted from atmospheric nitrogen +N2) into usable forms ,such as NO2,- in a process known as fixation.
YES.
The thirst mechanism always underestimates fluid loss during work, in the heat and after work ends. Therefore you should take frequent drinks through out the work period. If you drink 250mililitres every 15 minutes, you can replace one litre per hour. if sweat rate is higher you will find it extremely difficult to keep up with fluid needs. During prolonged periods of work in the heat, weight loss exceeds 2 percent therefore the person should rehydrate before returning to work.
