Answer: 1) 9 2) iron
Explanation:
1) From research, 9 amino acids can not be made by an healthy adult, are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine
2) Iron plays a vital role in the build up of hemoglobin in the body. Transferrin protien binds to iron to transport it throughout the body, helping to make the red blood cell. To grow or raising the hemoglobin level is by eating or taking food that contains enough iron
Answer:
b engage in organized and systematic study of phenomena to enhance understanding.
Explanation:
Sociology is a systematic study of happenings that relate to society and the relationships that form among the members of society.
This field started first as August Compte in 1830 proposed a science based on the methods similar to the ones that apply to hard science thereby pursuing to unveil the secrets about how groups in society come together and work for different purposes.
Today the scope of sociology goes into analyzing power structures, the interest formation, as well as individuals within a whole.
Blue collar workers are those who perform manual labor such as construction, mining, or maintenance.
White collar workers are those who work in an office. White collar jobs tend to pay better than blue collar jobs.