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A researcher wants to examine the effect of caffeine on sleep. She splits participants into two groups. The first group drinks caffeinated-coffee at 8pm and the second group drinks decaf-coffee at 8pm.
answered
Jun 9, 2021
Mathematics
high-school
5
votes
123k
views
The simple interest on $15000 for three months at 10% per annum is​
answered
Feb 2, 2021
Mathematics
college
3
votes
219k
views
In which section of the graph is the average velocity the greatest?
answered
Jan 28, 2021
Physics
high-school
3
votes
230k
views
1. Harmful effects of pain relievers include A.excessive buildup of stomach lining B. liver damage and thickening of the blood C. liver damage,thinning of the blood,and oversensitivity to light D.None
answered
Jan 22, 2021
English
college
1
vote
198k
views
Based on the paragraph, what is the primary structure used by the author? DONE To ban loans and embargo munitions would have been to give realistic expression to the isolation that the people and their
answered
Jan 5, 2021
History
middle-school
6
votes
68.6k
views
What are the areas of each shape
answered
Feb 19, 2020
Mathematics
middle-school
2
votes
200k
views
Which of the following statements is correct? a. Internalizing a negative externality will cause an industry to decrease the quantity it supplies to the market and decrease the price of the good produced.
answered
Feb 2, 2020
Business
high-school
4
votes
128k
views
Which of the following events may occur when IR radiation is absorbed? a.Relative nuclear spins of nucleii with non-zero Io's are changed. b.Bonding electrons are promoted to higher energy molecular orbitals.
answered
Feb 1, 2020
Physics
college
3
votes
170k
views
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