Answer:
blind
Explanation:
To quantify the extent of atherosclerosis, each pathologist looked at every autopsy specimen and assigned a score. To keep the pathologists from knowing the source of the tissues beforehand, the study was <u>blind</u> to the pathologists.
Atherosclerosis is a disease resulting from the build up of fats around the arteries which could cause blood flow restriction or even bursting of the artery resulting in hemorrhage. It is more common in obesed individuals.
The advantage of blinding the pathologist from knowing the source of the tissues is to increase objectivity in their analysis and remove any form of biased judgement based on the source of the tissue. For example, if the pathologist is aware that the source of the tissue is from an extremely obese man, he/she may likely give it a higher score.
Answer:
The climate regions of the central and south america can be divided into four distinct regions which are tropical, arid, dry and cold climatic zones.
Explanation:
The tropical climate zones of the region produce both rain forests and the tree-dotted grasslands known as savannas. Rain forests are abundant in Central America, the Caribbean, and South America. Savannas are found in South America. Central America has an overall humid, tropical climate with distinct dry and rainy seasons throughout the region.
However, the weather can vary from country to country, and some countries have multiple climate zones. Central America is the isthmus that connects North America to South America. An isthmus is 'a narrow strip of land surrounded by sea which connects two larger landmasses'. South America can be divided into four major climatic regions—tropical, temperate, arid, and cold. Savanna grassy lands inn south america experiences high temperature but receives wet precipitation.
Explanation:
Answer: The Immigration Act of 1924 limited the number of immigrants allowed entry into the United States through a national origins quota. The quota provide immigration visas to 2% of the total number of people of each nationality in the United States as of the 1890 national census.
Explanation: There was major restrictions on immigration because only 2% of all people can be provided with immigration visas.
The answer is Michael Eugene Porter.
He was still a young associate professor at Harvard Business School when he published this research and it was highly influential. Porter's Five Competitive Forces that Shape Strategy is a tool used to analyze competition of an industry. His research was published in 1979.
