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Answers by Stone Rock

Answers by Stone Rock
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The main substances in air are N 2 (nitrogen), O 2 (oxygen), CO 2 (carbon dioxide), H 2 O (water), and Ar (argon). Which of these substances are elements? Which are compounds? Which are molecules?
answered May 2, 2019
4 votes
23.5k views
Which rule is an example of rigid transformation? 1. (x, 3y) 2. (2x, y+2) 3. (x−1, y−3) 4. (3x, y)
answered Apr 6, 2019
0 votes
44.6k views
eight of the student s in the class play a sport.These 8 students make up 25% of the class.How many students are in the class?
answered Jan 15, 2019
3 votes
185k views
4. Which techniques did Van Gogh use to create this self-portrait? (1 point) smooth blending and shading broken brush stroke a formal setting abstract designs
answered Dec 14, 2018
4 votes
145k views
The female athlete triad involves which one of the following conditions? A. Obesity B. Type 2 diabetes C. Use of dietary supplements D. Amenorrhea B is wrong
answered Nov 20, 2018
5 votes
154k views
The camera shop wants to use the measure of central tendency that expresses how successful they are in selling camaers which measure of central tendency should they chosse
answered Nov 17, 2018
2 votes
166k views
Chrissy is 25 years older than her dog. the sum of their ages is 37. how old is Chrissy's dog
answered May 16, 2018
5 votes
24.6k views
During 2013, tanner manufacturing expected job no. 26 to cost $300,000 of overhead, $500,000 of materials, and $200,000 in labor. tanner applied overhead based on direct labor cost. actual production required
answered Feb 7, 2018
1 vote
121k views
The Kurds traditional homeland crosses the borders of Turkey, Iran, and Iraq. a. True b. False
answered Jan 14, 2017
5 votes
8.2k views
Why must a scientific hypothesis be testable?
answered Aug 21, 2016
2 votes
84.9k views
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