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How many times hotter than the sun surface is the surface of a star the same size but gives off twice the amount of energy per second?
answered
Dec 24, 2019
Physics
high-school
4
votes
69.0k
views
Can some help me? Please? French 2 1.) Write a short essay describing what you do when you go in town with you friends. Include 4-6 complete French sentences such as: we go by bus, we go to the market,
answered
Jul 16, 2019
French
high-school
3
votes
127k
views
Edward and his family are sightseeing. They walk two blocks north, four blocks west, and two blocks south. All together, they've walked ______ blocks and have a total displacement (magnitude only) of four
answered
Mar 30, 2019
Physics
middle-school
6
votes
75.8k
views
Which of the following is a reason for a country to place a tariff on imports?
answered
Oct 25, 2018
History
high-school
0
votes
32.0k
views
A typical pattern of response to situations and stressors is known as A. temperament. B. internalization. C. externalization. D. behavior.
answered
Oct 24, 2018
Health
high-school
6
votes
215k
views
Enter the symbol of a sodium ion, Na+, followed by the formula of a sulfate ion, SO42−
answered
May 18, 2018
Chemistry
college
5
votes
895
views
The chemical name for laughing gas is dinitrogen oxide. The two elements found in a sample of this gas are
answered
Apr 18, 2018
Chemistry
high-school
2
votes
184k
views
What are some of the applications for exponential functions
answered
Apr 15, 2018
Mathematics
college
5
votes
25.0k
views
Neil had $146.82 in his checking account. He deposited $84.27 and wrote a check for $19.12. Then, he wrote another check for $31.86. Which most closely estimates how much money remains in Neil's account?
answered
Mar 14, 2018
Mathematics
college
4
votes
204k
views
How did romes location affect is developed
answered
Jun 29, 2017
History
middle-school
3
votes
178k
views
What social structure formed the basis of the European economy
answered
Jan 29, 2017
History
high-school
2
votes
165k
views
What is the equivalent of film speed in digital cameras? Aperture Sensitivity White balance Light metering
answered
Jan 22, 2017
Computers and Technology
high-school
3
votes
65.8k
views
Which describes how a microwave transfers heat to leftover mashed potatoes? radiation excites the motions of water molecules in the food, raising their total kinetic energy the hot oven comes in contact
answered
Jan 13, 2017
Chemistry
high-school
2
votes
135k
views
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