Half life means when the sample of a nuclide decreases by half in Mass so half of 400 is 200 grams and it took 30 hours to reach that value thus its the half life of the Sample
The arterial will
cause the arteries to expand and contract with the flow of the blood is called
<span>Smooth muscle. The muscle helps move the blood
along and maintain blood pressure. By Contracting, blood pressure is
maintained, and through peristalsis the blood is moved.</span>
In human fertilization, a released ovum and a haploid sperm cell combine to form a single 2n diploid cell called the zygote.
Answer:
The correct answer is trichotillomania.
Explanation:
A hair-pulling disorder also termed as trichotillomania refers to a mental condition that comes under Obsessive-Compulsive and associated disorders. The person suffering from the condition has an irresistible desire to pull hair from different parts of the body like eyebrows, scalp, and eyelids.
The condition results in partial or complete removal of the eyelashes and eyebrows, while if one pulls hair from the scalp it can lead to different degrees of hair loss patches. The condition often interferes with the occupational and social functioning of the individual.