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A singer raises his pitch one octave. what quality of the sound wave has changed? the frequency has increased. the wavelength has increased. the amplitude has increased. the speed has increased.
answered
Nov 16, 2018
Physics
college
3
votes
139k
views
Sodium's atomic number is 11. What does this tell you about an atom of sodium? A. It contains 11 neutrons. B. It has 11 protons to lose in ionic bonds. C. It contains 11 protons. D. Its atomic mass is
answered
Oct 22, 2018
Biology
high-school
1
vote
231k
views
In the _____ Work-Study Program, college students who have financial needs can work part-time jobs to help pay for education expenses. A.Stafford B.Pell C.Federal D.College
answered
Sep 3, 2018
Advanced Placement (AP)
high-school
4
votes
134k
views
Compare and contrast producers and consumers in an ecosystem
answered
Aug 4, 2018
Biology
middle-school
1
vote
112k
views
When selecting a topic for an essay, do you think you can write a better paper if you choose a subject you're familiar with or an entirely new subject? Pros and cons for choosing a familiar topic versus
answered
Apr 30, 2018
English
high-school
3
votes
235k
views
What integer is equivalent to 25 with an exponent of 3/2?
answered
Feb 21, 2018
Mathematics
high-school
3
votes
214k
views
12. Solve this equation for A: A รท 2 = 4
answered
Sep 19, 2017
Mathematics
high-school
6
votes
153k
views
What was the main concern with the first draft of the Articles of Confederation?
answered
Jun 16, 2017
Social Studies
high-school
2
votes
110k
views
How many times douse 45 go into 240
answered
Jan 9, 2017
Mathematics
middle-school
3
votes
164k
views
Read the sentence. The governor himself wrote that he saw nothing unusual. Which word in the sentence is an intensive pronoun? himself that he nothing
answered
Nov 18, 2016
English
high-school
1
vote
139k
views
Can life subsist on anything else but water?
answered
Feb 9, 2016
Biology
high-school
3
votes
226k
views
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