Answers by Drtobal
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Answers by Drtobal

Answers by Drtobal
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The percentage of people living in cities is expected to decrease by the year 2030. true or false
answered Sep 9, 2018
4 votes
32.9k views
One way to protect biodiversity is to set aside more wilderness land. humans are not allowed in these areas. a. True b. False
answered Aug 20, 2018
1 vote
234k views
Why do sound waves move faster through the ground than through the air? Particles of matter are packed more loosely in the ground than in the air. Particles of matter are packed more tightly in the ground
answered Aug 17, 2018
2 votes
51.9k views
A system of linear equations contains two equations with the same slope. Select all of the correct statements. A. The system represents perpendicular lines and has one solution. B. The system may represent
answered Jul 23, 2018
3 votes
62.5k views
Find the value of the expression 2xy^3 if x=3 and y=-2?
answered Mar 11, 2018
5 votes
130k views
Which group consists entirely of organic molecules
answered Jul 15, 2017
4 votes
87.5k views
Explain, using specific examples, how political parties strengthen or weaken U.S. democracy.
answered Jun 28, 2017
4 votes
95.1k views
Nuclear energy can be used to power _______. a. street lights b. 4es c. homes d. all of the above
answered May 12, 2017
2 votes
4.2k views
Which are characteristics of the speed of light? Check all that apply. The speed of light is the speed all waves travel. The speed of light is the speed electromagnetic waves travel. The speed of light
answered Feb 20, 2017
6 votes
28.6k views
Which verb is progressive? A. shall wear B. had worn C. will be worn D. were wearing
answered Dec 26, 2016
7 votes
190k views
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