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Answers by PTN

Answers by PTN
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Which substance is a green pigment in chloroplasts that absorbs energy for photosystems?
answered Mar 16, 2019
1 vote
196k views
How did Rome's expansion lead to a rise in the number of slaves owned by Romans?
answered Mar 1, 2019
3 votes
128k views
2000 grams equal how many kilograms
answered Jan 1, 2019
7 votes
108k views
In which of these state is the age of consent 17 years old? A. North Carolina B. Florida C. New York D. South Carolina
answered Dec 8, 2018
6 votes
126k views
When taking the Aspire test or PSAT, it is a good idea to: A. skip reading the general directions. B. quickly scan the questions so you can finish as soon as possible. C. always look at the answer choices
answered Aug 5, 2018
1 vote
111k views
Please help!!! (PICTURE PROVIDED)
answered Jun 28, 2018
1 vote
168k views
What is the reducing agent in the reaction below?
answered Jun 28, 2018
5 votes
217k views
For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? −x + 2y = −6 3x + y = 8
answered Jun 18, 2018
4 votes
184k views
If the [H+] in a solution is 1 × 10–1 mol/L, what is the [OH–]?
answered Dec 12, 2017
5 votes
62.0k views
Why were the British colonists afraid of American expansion?
answered Feb 25, 2017
5 votes
104k views
name a factor pair for a rectangle that has an area of 50 sq. cm.and a perimeter greater than 100 cm.
answered Jan 11, 2017
4 votes
95.1k views
In a command economy, production is driven primarily by __________. A. supply and demand B. the needs of consumers C. profit opportunities for private companies D. government production quotas
answered Jun 3, 2016
2 votes
37.9k views
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