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Answers by DavidNg

Answers by DavidNg
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Jonas mixes citric acid with baking soda. How does he know the reaction is endothermic? A) the baking soda changes color B) the citric acid forms gas bubbles C) the temperature of the solution increases
answered Jun 15, 2018
4 votes
199k views
Which factor has the MOST influence on Latin American climates? A) Latin America extends across many latitudes. B) Latin America is in the Southern Hemisphere. C) Latin America is home to the world's largest
answered Mar 28, 2018
4 votes
99.6k views
QUESTION 33 Under the feudal system, land was exchanged for loyalty. True False
answered Jan 21, 2018
6 votes
221k views
which quotation from the preamble to the declaration of independence supports the idea that the united states is based on a social contract
answered Jun 28, 2017
4 votes
96.8k views
True or false: the governor can force the legislature to hold special meetings
answered Mar 9, 2017
3 votes
21.0k views
How to write 200,000+80,000+700+6 in standard form
answered Mar 7, 2017
3 votes
166k views
What's the difference between 'shall' and 'should'? English isn't a native language for me...
answered Jul 24, 2016
7 votes
164k views
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