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In some aquatic ecosystems, nitrate (NO3–) is converted to nitrite (NO2–), which then decomposes to nitrogen and water. As an example of this second reaction, consider the decomposition of ammonium nitrite:
answered
Jul 8, 2019
Chemistry
middle-school
2
votes
87.1k
views
Which organisms represent the most biomass in an ecosystem
answered
May 17, 2019
Advanced Placement (AP)
middle-school
4
votes
17.2k
views
1. The smallest level of organization in living things is The atom. The cell. The small tissue. The nervous system. 2. A group of cells working together make up a(n) Organ Organ System Tissue Molecule
answered
Apr 30, 2019
Health
high-school
7
votes
215k
views
Original price: $45.oo; Markdown: 22%
answered
Jan 12, 2019
Mathematics
college
4
votes
106k
views
What does it mean to have a control group in an experiment and why is it important in an experiment?
answered
Nov 29, 2018
SAT
middle-school
3
votes
184k
views
Which statement explains why the perimeter of the rectangle can be found using l + w + l + w or 2l + 2w?
answered
Nov 24, 2018
Mathematics
college
7
votes
118k
views
Why did the superpowers compete to develop space exploration technology? Select all that apply. (2 points) • to distract rivals from weapons development • to explore military uses of space • to increase
answered
Jun 20, 2018
History
high-school
2
votes
89.8k
views
The value of 3 in 6300 Is blank times the value of 3 in 530
answered
May 15, 2018
Mathematics
college
3
votes
106k
views
A rotation is a movement of a plane about a fixed point so that every ray on the original figure has the same ________ as every corresponding ray on the image.
answered
Mar 11, 2018
Mathematics
high-school
2
votes
229k
views
Points C and D divide the semicircle into three equal parts. Match the angles with their measures.
answered
Jan 27, 2018
Mathematics
high-school
7
votes
114k
views
is life priceless? give at least four examples to support you opinion. use the concept of opportunity cost in your answer
answered
Oct 19, 2017
Social Studies
high-school
6
votes
73.0k
views
He has run many miles in the past few months. past present past participle present participle
answered
Aug 7, 2017
English
high-school
2
votes
21.8k
views
Who formulated a typology that shows how prejudice and discrimination are related but not the same thing? a. W.E.B b. Robert Merton c. charles cooley or d. Richard lapiere?
answered
Aug 6, 2017
History
high-school
4
votes
41.9k
views
Look at the map. Which countries are the Allied Powers? A. Group A: England, France, Russia, Serbia B. Group B: Germany, Austria-Hungary, Ottoman Empire (Turkey) C. Group C: Spain, Italy, Greece
answered
Jun 12, 2017
History
high-school
4
votes
227k
views
Which historical value do the following lines discuss? SAMPSON A dog of that house shall move me to stand: I will take the wall of any man or maid of Montague's. a. Marriage b. Loyalty c. Love d. Friendship
answered
Dec 8, 2016
English
high-school
1
vote
83.2k
views
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