Answer:
ergonomists or human factors engineers
Explanation:
Human factors ergonomists or engineers do not have a specific undergraduate degree, but it is important that these professionals have a satisfactory knowledge of anatomy, physiology, anthropometry, biomechanics, psychology, occupational disease, environmental risks, among other subjects. This is because the main function of these professionals is to analyze how people tend to use a product and its design, so that its use will be something natural.
More simply, we can say that these professionals apply their knowledge to improve workplace movements, work environments and training programs.
Answer:A set of five nitrogenous bases is used in the construction of nucleotides, which in turn build up the nucleic acids like DNA and RNA. These bases are crucially important because the sequencing of them in DNA and RNA is the way information is stored.
The answer is C: a pollutant.
Answer:
Melatonin
Explanation: melatonin in the body is a natural hormones that helps in the regulations or coordination of the cycle of our sleeping and waking. It is found in the pineal glad and it is more active during night time than day time.
Teenagers most especially has different time of sleep they sleep mostly late during weekends and sleep early during weekdays.our body needs sleep so as to function properly and most times our body is also adapt to some times that we sleep. Melatonin is usually release in the body gradually around 9pm in the evening where it initiate sleep but in some people, it is when the hormones is release in an increase dose that they can fall asleep thereby shifting the time to about 11pm or 12pm before the person can fall asleep for quick sleep, melatonin supplement are used.
Activation energy.
Concentration.
Temperature.
