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What two things are used to classify stars on the HR diagram? A. Temperature and luminosity/brightness B. Color and shape C. Shape and Size D. Age and color
answered
Aug 7, 2021
Biology
high-school
1
vote
229k
views
Please help with this science question
answered
Jul 5, 2021
Physics
college
4
votes
7.3k
views
SOMEONE PLEASE HELP MEEEEEE
answered
May 10, 2021
Mathematics
middle-school
0
votes
152k
views
The ten's digit in a two-digit number is 1 greater than the one's digit. If we interchange the digits in the number, we obtain a new number that, when added to the original number, results in the sum 187.
answered
Apr 29, 2021
Mathematics
middle-school
4
votes
60.3k
views
Suppose you want to find out which candidate college students will vote for in an upcoming national election. To be sure the sample of college students you survey is representative of the college student
answered
Apr 23, 2021
Social Studies
high-school
2
votes
15.5k
views
What happens to a heating curve when you apply more heat?
answered
Mar 1, 2020
Biology
middle-school
3
votes
68.4k
views
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