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Answers by Optimist

Answers by Optimist
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Which of the followin separation methods is used in making coffee at home ? Chromatography Filtration - I think it’s this one Fractional distillation Simple distillation
answered Jun 8, 2019
0 votes
138k views
A coin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. What percentage of the metal in the coin is copper?
answered Dec 14, 2018
6 votes
179k views
What was the primary goal of manifest destiny?
answered Dec 13, 2018
3 votes
229k views
What organisms in the lake require oxygen to survive?
answered Nov 22, 2018
3 votes
160k views
What is the measure of each interior angle of a regular octagon
answered Jan 12, 2018
3 votes
27.2k views
What is a defining trait of all minerals?A) Made of carbon B) Orgnaic C) shiny D) crystalline structure...Please help
answered Oct 10, 2017
3 votes
16.6k views
Which statement is NOT correct? All dangerous drugs are illegal. There are more carcinogens in marijuana than there are in tobacco. Cocaine is a stimulant. Depressants slow down the central nervous system.
answered Sep 12, 2017
1 vote
223k views
I dont understand this plz help.
answered Aug 1, 2017
5 votes
226k views
Which of the following best pairs Darwin's contributor to his ideas? a. Malthus—proposed the idea of acquired characteristics during an organism's lifetime b. Lyell—stated that geological processes would
answered Jul 22, 2017
4 votes
190k views
PLEASE HELP WILL GIVE 10 POINTS!!!! Nathan hypothesized that if the temperature of liquid water increased, the density would decrease because the volume would increase. He collected the data in the table
answered Jun 5, 2017
3 votes
148k views
Emily spent 1/2 of her money at the grocery store.Then, she spent 1/2 of what was left at the bakery. Next, at the music store, she spent 1/2 of what is left on a CD that was on sale. She spent the remainder
answered Feb 21, 2017
2 votes
64.5k views
50/117 in simplest form
answered Jul 17, 2016
2 votes
156k views
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