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Concerning the balance of pollutants in the biosphere: scientists have proved that the natural system of the earth is overwhelmed by pollution scientists have proved that the natural systems of the earth
answered
Feb 18, 2019
Biology
high-school
4
votes
46.7k
views
Primary producers generally form the smallest trophic level of a pyramid of energy. Please select the best answer from the choices provided T F
answered
Jul 12, 2018
Biology
high-school
1
vote
11.1k
views
How to move files and folders from desktop in w10?
answered
May 8, 2018
Computers and Technology
high-school
1
vote
73.6k
views
Is the word beautifully an adverb, verb, or adjective in the following sentence. They sang beautifully during the entire winter concert.
answered
Apr 18, 2018
English
middle-school
3
votes
116k
views
Jackson's age was 2/5 of the age he will be 20 years from now 7 years ago. how old is jackson now
answered
Mar 5, 2018
Mathematics
high-school
2
votes
64.2k
views
Which statement about the Flatiron Building by Daniel Burnham is true (A) Its skinny triangle shape fits the building site. (B) The facades are lacking texture (C) It was built as an apartment building
answered
Nov 26, 2017
Arts
middle-school
0
votes
36.0k
views
Noah and Audrey are simplifying the expression 5x-4+x+2, whos is wrong and why; Noah: 5x - 4 + x + 2 = 5x - 2 Audrey: 5x - 4 + x + 2 = 6x - 2 Also write an Expression that contains three terms that is
answered
Jun 11, 2017
Mathematics
middle-school
5
votes
215k
views
Which of the following statements best describe muscular endurance A- muscular endurance is related to but less important than muscle strength B- significant muscle strength is prerequisite for developing
answered
Mar 15, 2017
Health
high-school
3
votes
186k
views
Which of the following groups of people makes up the largest portion of the homeless population? a. females b. veterans c. children d. families.
answered
Jan 21, 2017
Social Studies
high-school
3
votes
119k
views
A motorist is pumping gas into his car at a rate of 5/12 of a gallon every 1/24 of a minute. At this rate how many gallons of gas will he have pumped into his car in 1/12 of a minute
answered
Jan 21, 2017
Mathematics
middle-school
6
votes
2.5k
views
An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes: (1) a positive ion (2) a negative ion (3) an atom in an excited state (4) an
answered
Apr 20, 2015
Chemistry
middle-school
0
votes
52.3k
views
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