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The BEST description of a light-year is A) the speed of light in a vacuum. B) the age of a one-year-old star. C) the distance light travels in a year. D) the time it takes light to travel from Earth to
answered
May 2, 2018
Chemistry
middle-school
7
votes
32.3k
views
What is the structure of our state government
answered
Apr 1, 2018
History
college
2
votes
116k
views
What value is added to both sides of the equation x2 − 8x = −10 in order to solve by completing the square? −8 16 −4 4?
answered
Feb 5, 2018
Mathematics
high-school
3
votes
102k
views
Sam recorded the number of points she scored on each weekly test out of the number of points possible for the test. In which two subjects did Sam score the lowest? Sam's Test Scores Math 22/25 Science
answered
Dec 10, 2017
Mathematics
high-school
5
votes
97.8k
views
Ultraviolet rays from the sun can cause a.serious burning of the skin b. damage to the eyes c. both serious burning of the skin and damage to the eyes d.neither serious burning of the skin nor damage to
answered
Aug 7, 2017
Chemistry
high-school
5
votes
155k
views
Science is orderly knowledge proven by
answered
Mar 14, 2017
Physics
high-school
3
votes
49.6k
views
How many miles did greek sailors travel between athens and naples?
answered
Jun 21, 2016
Social Studies
middle-school
1
vote
176k
views
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