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Alex has a type of rock called calcite, that sometimes glows. He puts the calcite under a desk lamp but the calcite does not glow. Then he puts it under an ultraviolet lamp and the calcite glows. Why does
answered
Apr 23, 2021
Chemistry
high-school
4
votes
158k
views
What is the Literature: the moon smiled as it looked down at the village
answered
Feb 27, 2021
English
high-school
4
votes
87.5k
views
How can the President influence the establishment of US foreign policy?
answered
Nov 28, 2020
History
middle-school
6
votes
132k
views
Which of these statements describes the difference between binary and decimal numbers? A Binary numbers use only the digits 0 and 1; decimal numbers use 0 through 9. B Binary numbers are shorter to write
answered
Nov 4, 2020
Computers and Technology
high-school
6
votes
166k
views
Read these sentences. Randall opened his eyes somehow he had slept through his alarm. Which of the following combines these two sentences correctly?
answered
Jun 27, 2020
English
middle-school
7
votes
149k
views
If C(x) is the total cost incurred in producing x units of a certain commodity, then the average cost of producing x units of the commodity is given by C¯ = C(x) x , for x > 0. The total monthly cost (in
answered
May 12, 2020
Mathematics
college
3
votes
6.4k
views
The sugar in corn is rapidly converted to starch after the corn has been picked. After picking, corn with the Sh2 gene was found to have more sugar and less starch than corn without this gene. Which of
answered
Jan 1, 2020
Biology
high-school
3
votes
57.1k
views
With fan fiction, readers: A) create funny comics on regular basis. B) comment on articles that portray people unfavorably C) play with words, images, and associations. D) can explore the “what ifs” of
answered
Oct 25, 2019
Computers and Technology
high-school
4
votes
53.3k
views
If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?
answered
Oct 17, 2019
Biology
middle-school
6
votes
145k
views
Which of the following is most associated with a command economy?
answered
Aug 30, 2019
History
high-school
5
votes
124k
views
Solve for x. begin equation . . . 7 times the quantity . . . 9 plus x . . . equals 84 . . . end equation A x equals 3 B x equals 12 C x equals 21 D x equals 68
answered
May 19, 2019
Mathematics
high-school
5
votes
51.8k
views
Bobby is earning money for a new radio. He is paid $4.00 for each car he washes and $1.00 for each bag of leaves he rakes. If he washes 7 cars and fills 10 bags of leaves, how much money will he earn?
answered
Feb 11, 2019
Mathematics
middle-school
5
votes
164k
views
Raul drove 80 miles. This represents 50% of his entire trip. What is the total number of miles in Raul's trip?
answered
Sep 10, 2018
Mathematics
high-school
1
vote
131k
views
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