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Which of the following chemical reactions is reversible? A. The burning of wood. OB. The dehydration of copper sulfate (CuSO4). O C. The neutralization of an acid. OD. The freezing of water into ice Reset
answered
Oct 25, 2021
Chemistry
middle-school
6
votes
117k
views
The ratio of girls to boys who like to play sports is 5 to 8 at GW middle school. There are are 100 girl s at GW middle school, What is the total number of students who like sports at GW middle school?
answered
Oct 10, 2021
Mathematics
high-school
3
votes
208k
views
Chronology is the order of times or dates in which events happened. True or false
answered
Sep 19, 2021
History
high-school
6
votes
96.0k
views
9) Solve: a^2+ b^2= c^2 for b
answered
Aug 8, 2021
Mathematics
college
2
votes
54.0k
views
Liam has finished Chapter 8 of The Book Thief. Before taking his reading comprehension quiz, he looks back over the chapter to make sure he understands what he read. What reading strategy is Liam using?
answered
Jun 7, 2021
Advanced Placement (AP)
high-school
6
votes
226k
views
A 30inch piece of wood is 3% of a longer piece of wood. How long is the longer piece of wood?
answered
May 17, 2021
Mathematics
middle-school
4
votes
216k
views
70 pts write a diary using simple spnsih including 7 days. write it as if it all happened earlier that day like: " i went to school" not i am going to school. 5 things per day SIMPLE spanish
answered
Apr 26, 2021
Spanish
high-school
1
vote
203k
views
PLEASEEE HELP ME WITH 19 PLEAAEEE ILL MARK U
answered
Mar 23, 2021
Mathematics
college
5
votes
31.0k
views
31. Which of the following drugs is not a hallucinogen? A Mescaline B. POP C Heroin
answered
Mar 6, 2021
History
college
6
votes
50.9k
views
Each nation carefully guarded the secrets of its true military strength. T or F?
answered
Oct 19, 2020
History
middle-school
3
votes
5.9k
views
If m,n≥2 are integers, find the critical points of f(x)=xm(1−x)n. The field below accept a list of numbers or formulas separated by semicolons (e.g. 2; 4; 6 or x+1; x−1.) The order of the list does not
answered
Aug 27, 2020
Mathematics
college
6
votes
138k
views
Which sentence uses a linking verb? A. People fly many different styles of kites. B. Every year our town holds a kite festival. C. The kites have been very colorful. D. This year I made my own kite.
answered
Jun 15, 2020
English
middle-school
3
votes
33.9k
views
A function, f(x) is defined by f(x) = -x^2 + 0.5x -5. what is the value of f(-5)
answered
Oct 16, 2019
Mathematics
middle-school
1
vote
6.7k
views
How did huang he differ from a river such as the nile
answered
May 10, 2019
History
middle-school
4
votes
160k
views
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