Perfect competition is a market structure where many companies or firms offer a homogeneous products. The freedom of entry and exit and perfect information makes the firm makes a normal profit, prices are kept low by the competitive pressure. It is characterized by the following Many Firms, Freedom of entry and exit of product, identical products, price curves, and perfect information
Answer: One purpose of the Declaration of Independence was to explain their view of the purpose of human government. If you read the text of the Declaration, you will see that the signers believed that all men were created equal by God and that they possess certain unalienable rights.
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C. Has increased dramatically since 1940
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.