Answer: A. scalp hairs grow constantly throughout life.
Explanation:
Hair is a squamous keratinized epithelium which is consist of multi-layered flat cells. Hair are made up of protein called "keratin".
The statement "scalp hairs grow constantly throughout life" is false because at a particular age or due to several factors scalp hairs stop growing.
Scalp hair growth rate depends on three main factors including sex (female hair grows faster than male), age (hair growth slows with age), and ethnicity (Asian hair grows slower than Caucasian hair).
Scalp hair growth stops because of follicle devitalization when the hair length become two or three feet.
Hence, the correct answer is A. "scalp hairs grow constantly throughout life".
The arrangement favor the rotational movement around the vertical axis. Although it is possible to have some flexion, extension and lateral bending moments also.
Most probably a king cobra snake, which originates from yes Central Africa, especially in Kenya.
The main component in three investigations is that in my opinion The common denominator of the fact that they are all three still investigations.
