Approximently at least 5% of high school students smoked
The correct answer is C. The hypothesis of the study.
Explanation:
In research, informed consent implies the researcher needs to inform potential participants about different aspects of the research and their participation, in this way they can decide whether or not to participate. This includes explaining potential participants about possible harms or benefits, procedures they will be involved in, among others. However, the researcher is not forced to inform them about the hypothesis of the study as this might influence participants' answers or performance and thus make the research invalid.
The correct answer would be option C, Exchange Rate.
When planning a trip to Spain, Brett and his wife, both Americans, were concerned about how much they could afford to spend in Europe because sometimes the U.S. dollar will buy more goods and sometimes it will buy less, based on changing economic conditions. The Exchange rate is the rate at which the currency of one area or country can be exchanged for the currency of another’s.
Explanation:
When one currency of a country is exchanged with the currency of another country, the rate at which the currencies are exchanged is called as the exchange rate.
For example while planning a trip to Europe from America, the couple have US dollars which they need to exchange in Euros to be able to use the currency in Europe.
Roughly, a Euro is equivalent to 1.08 US Dollars, as of today. So this 1.08 dollars will be the exchange rate for US dollars to Euro.
Learn more about Exchange Rate at:
brainly.com/question/10187894
#LearnWithBrainly
Answer:
Current events
Explanation:
In a situation such as this, the group is more interested to talk about other subjects than the experiences to raise their children. Because of that, in order to create a discussion, to receive good feedback and, most importantly, to maintain the discussion, John should be talking about the current events that are happening around them. By current events I mean ordinary situations or something that is influential, not only in his life but on the lives of everyone.