Answer:
Stratified Sampling
Explanation:
Carolyn wanted to determine her body temperature. So she wishes to collect her temperature body samples by dividing her day into three parts that is morning, afternoon and evening. She then measures her body temperature at 44 randomly selected times during each part of the day. She uses the method of sampling known as Stratified Sampling method.
Stratified Sampling method is used in Statistics world to collect samples which is partitioned into smaller sub parts. These small parts are known as strata.
Another name of Stratified Sampling is quota sampling or proportional sampling
Thus the answer is proportional sampling.
The answer which is true concerning stretching techniques is B. you should always stretch before warming up. Stretching is quite important to do before any form of exercise, even the easiest ones, such as warming up, so as to prevent the possibility of hurting your body in any way. This way, your body will be prepared for what is going to happen to it next during the exercises you do.
Answer:
By the end of 1984, there had been 7,699 AIDS cases and 3,665 AIDS deaths in the United States
Explanation:
Answer:
The correct answer is nerve cells.
Explanation:
Cobalamine which is also known as vitamin B-12 which is very important for the human body. It helps in the synthesis of RBCs and plays an important role in protecting the nerve cells.
Vitamin B- 12 helps in myelin sheath synthesis and maintenance. This myelin sheath makes the outer covering of neurons and plays an important role in the protection of neurons and relaying of signals at high speed.
Deficiency of vitamin B-12 causes damage to myelin sheath which results in different neurological problems. Therefore the correct answer is nerve cells.
