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An e-learning company prepares online exams for students. It wants to test a new type of question on its target audience and needs to ensure that the students will not skip the new question. Based on the
answered
Jan 11, 2018
Mathematics
college
7
votes
10.4k
views
Tom always keeps his 4 gardens clean. He takes 20 minutes to clean a single garden. How much time will it take to clean all four gardens
answered
Nov 14, 2017
Mathematics
middle-school
5
votes
150k
views
Urea is commonly used in laboratories. What will be the effect of adding a concentrated urea solution to a protein? a. denaturation of protein b. no effect c. change in the sequence of amino acids
answered
Aug 18, 2017
Biology
high-school
5
votes
43.6k
views
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