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What factors play a role in the rate at which molecules like O₂ and CO₂ can diffuse? a. the distance between the two areas of concentration of the molecule b. the magnitude of the concentration gradient
answered
Jun 20, 2020
Chemistry
high-school
6
votes
3.6k
views
Between 1820 and 1880, millions of immigrants moved together in groups and settled alongside one another in certain areas called __________ regions.
answered
Apr 20, 2020
Social Studies
middle-school
1
vote
69.9k
views
What are putnam's motivations for his actions in salem?
answered
Dec 12, 2019
Social Studies
high-school
3
votes
214k
views
What were the effects of the 1948 Arab-Israeli War? Check all that apply. A. Israel refused to recognize the right of Arab nations to exist. B. Israel gained territory that had been set aside for the Palestinians.
answered
Aug 27, 2019
History
high-school
4
votes
55.0k
views
How many molecules of NH3 are produced from 4.72x10 negative 4 power g of H2?
answered
Aug 11, 2019
Chemistry
college
0
votes
19.6k
views
Which of the tables represents a function? Table A Table B Table C Table D
answered
May 28, 2019
Mathematics
middle-school
2
votes
112k
views
Please only answer if youre sure The disease allele for a certain disease is s. The normal allele is S. The disease is observed when a person has both copies of the disease allele, s. Which pattern of
answered
Mar 6, 2019
Biology
middle-school
1
vote
38.5k
views
Which research question would have been most interesting to the gestalt psychologists?
answered
Jan 12, 2019
Social Studies
high-school
1
vote
136k
views
Frederick Douglass was known not only for supporting tge freeing of slaves, but also for
answered
Sep 16, 2018
History
middle-school
4
votes
25.5k
views
dietary fiber, which cannot be digested, is which type of substance? A) carbohydrate B) fat C) mineral D) protein.
answered
Sep 7, 2018
History
high-school
1
vote
76.8k
views
Decide si cada oración está escrita en presente, pasado o futuro. Esta noche los estudiantes caminarán por la playa. (1) presente (2) pasado (3) futuro CHOOSE ONE PLZ
answered
Jul 26, 2018
Spanish
high-school
5
votes
211k
views
Mind if I get some help, please? Thank you.
answered
Mar 29, 2018
English
high-school
1
vote
72.9k
views
How would you categorize the obligations and services of state and local governments as compared to those of the federal government? State and local governments provide useful services, while the federal
answered
Feb 14, 2018
Social Studies
middle-school
3
votes
7.1k
views
Three cube-shaped boxes are stacked one above the other. The volumes of two of the boxes are 1,331 cubic meters each, and the volume of the third box is 729 cubic meters. What is the height of the stacked
answered
Feb 10, 2018
Mathematics
middle-school
2
votes
192k
views
In humans body temperature is kept fairly constant by automatic responses controlled by which of the following? A. the hypothalamus B. heart rate C. the skin D. the amount of muscle
answered
May 17, 2017
Biology
high-school
5
votes
174k
views
although insect wings are constructed differently than bird wings, they do share a similar overall shape. why?
answered
Feb 8, 2017
Biology
high-school
2
votes
210k
views
Color corresponds to the ______________ of light waves.. A. Wave Speed B. Cycles C. Wavelength
answered
Nov 15, 2016
Physics
high-school
4
votes
224k
views
What is the sum of the first n terms of this sequence 3,4,5,6,7.///
answered
Apr 2, 2016
Mathematics
high-school
1
vote
105k
views
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