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Which property of a substance can be determined using a pH indicator? acidity boiling point density electrical conductivity thermal conductivity
answered
Nov 7, 2018
Biology
high-school
4
votes
142k
views
When Earth receives energy from the Sun, ____. a. some energy is reflected back into space b. some is absorbed by the atmosphere c. some is absorbed by land and water on Earth's surface d. all of the above
answered
Oct 14, 2018
Biology
college
4
votes
176k
views
Which of the following is true about endothermic reactions? The change in enthalpy is positive and the reactants contain more energy than the products. The change in enthalpy is negative and the reactants
answered
Aug 15, 2018
Chemistry
high-school
6
votes
169k
views
Justify the statement, "Oceanic conditions determine human activities."
answered
Jul 21, 2018
Biology
high-school
2
votes
27.1k
views
Complétez la phrase avec la bonne forme du verbe aller. Nous a0 à la piscine pour faire de la natation
answered
Mar 27, 2018
French
high-school
5
votes
115k
views
Which religious issues did the rulers of the mughal empire face ?
answered
Sep 23, 2017
History
high-school
2
votes
54.8k
views
How you say 4.012 in expanded. form
answered
Jul 10, 2017
Mathematics
middle-school
6
votes
191k
views
Which punctuation correction would improve the following sentence? at first i felt very angry bitter and hateful but then i felt so hopeless and depressed. i longed for her to call me. insert a comma after
answered
Apr 29, 2017
English
high-school
0
votes
199k
views
2.5 is 10% of what number?
answered
Mar 30, 2016
Mathematics
high-school
5
votes
46.7k
views
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