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If the speed of light in a vacuum is twice that of the speed of light in a given material, what is the index of infraction for that material?
answered
Mar 15, 2019
Physics
high-school
3
votes
127k
views
What cause heterosexual?
answered
Oct 28, 2018
Biology
college
4
votes
75.5k
views
Which country was the first to use tanks in combat?
answered
Oct 11, 2018
History
high-school
3
votes
79.2k
views
When do the greatest tidal ranges occur? a. spring tides c. high tides b. neap tides d. low tides
answered
May 5, 2018
Biology
high-school
3
votes
133k
views
Lamarck's hypothesis of evolution was based on which theory?
answered
Oct 27, 2017
Biology
high-school
0
votes
190k
views
Which deadly virus causes raised bumps all over the face and body?
answered
Jul 19, 2017
Health
high-school
1
vote
90.5k
views
Why are few large invertebrates found living on land
answered
Jun 29, 2015
Biology
middle-school
1
vote
174k
views
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