There are 180 days in a semester in caliphornia.
Answer: This is a "CONTROLLED PLACEBO EXPERIMENT".
Explanation: A controlled placebo experiment is a type of research method that is used to check the effectiveness of a drug in a patient. This is done by selecting a sample group, then randomly divide the two group into a placebo group ( this are the group that will receive the drug treatment ) and the controlled group( these are the group that will receive a coloured mixture that looks like the drug, but does not have any effect). Without the groups knowledge about the real drugs and the coloured mixture, but are followed up and tested.
This is a controlled placebo experiment, because 400 student has been choosed as the sample, and are divided into a placebo group and a controlled group, to check the effectiveness of a drug on their memory.
Answer:
Paid vacations, pensions, and fringe benefits.
Explanation:
Two important elements played roles in the Florida Land Boom. For the first time Americans had the time and money to travel to Florida to invest in real estate. For the educated and skilled working American, the 1920's meant paid vacations, pensions, and fringe benefits unheard of during the Victorian Era.
Answer: B
Explanation: B because it seems more right an that is what i think
