. A mineral is a naturally occurring inorganic solid, with a definite chemical composition, and an ordered atomic arrangement. This may seem a bit of a mouthful, but if you break it down it becomes simpler. Minerals are naturally occurring. They are not made by humans.
Answer:
insulin
Explanation:
diabetes prevents the body from producing enough insulin to regulate blood sugar.
Answer:
B
Explanation:
Tobacco contains nicotine which is increases the user's risk of oral cancer
Several reasons:
From a psychological point of view, a person who takes nicotine has been conditioned to associate nicotine with pleasure. It’s similar to how people associate junk food with good taste and how it’s difficult to give up junk food completely.
However, this by itself cannot explain why nicotine is addictive. Biologically, nicotine mimics dopamine, a neurotransmitter that (among other things) makes people feel good. After a person takes nicotine, it’s as if their dopamine levels have suddenly become too high; to compensate, the brain starts producing less dopamine, and once the nicotine breaks down, dopamine levels will drop. When dopamine levels drop, bad things happen (depression, headaches, lack of coordination, and so on), and the person will need some external source of dopamine. In most cases, that external source is nicotine, and after taking nicotine to counter the negative effects of low dopamine levels, the cycle continues. This leads to physical dependence on the drug and makes quitting nearly impossible. Should the person attempt to quit, he/she would suffer withdrawal symptoms for a long time and this aversion to withdrawal symptoms makes it extremely hard to quit.
Answer:
D. Both B and C
Explanation:
Office managers and medical record technicians are important part of healthcare services who monitors the office and medical record maintenance work.
As per the job responsibilities of office managers and medical record technicians, the are required to work for full time with some evening shifts or full-time with some weekend shifts and they might be called in case of emergencies.
Most of the healthcare centers are full time open so no they do not schedule work for part-time on any day of the week.
Hence, the correct answer is "D. Both B and C".
