An experiment was conducted to evaluate the success of an Ebola virus vaccine. The subjects were unaware of the treatment they were given. What is this type of blinding used to prevent?

Grounds for malpractice suits
Subjects assigned randomly to treatments
A possible source of bias
Injury to the subjects
The placebo effect

idk this answer sorry cant on this one.

step-by-step explanation:

he can buy 4lbs. of live bait and 1lbs of natural bait

step-by-step explanation:

steve should create a type of business report called a business plan. the correct option among the options that are already given in the question is the last or the fourth option. this business report created by steve will actually influence the investors about investing their money in steve's business. this business report will have all the details about the business, the amount of investment required and the amount of expected profit.