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During gas exchange in the tissues a. oxygen concentrations are much lower in the tissues so hemoglobin gives up oxygen b. there is a high carbon dioxide concentration that causes hemoglobin to change
asked
Oct 10, 2020
Biology
college
1
answer
2
votes
157k
views
given abc with a(-4 -2), b(4,4), and c(18,-8). write the equation of the line that contains the altitude that passes through b in standard form
asked
Oct 26, 2019
Mathematics
middle-school
1
answer
2
votes
64.4k
views
Adam and his dad share the cost of a meal in the ratio 2:3, adam's dad pays £52.20, what's the total cost of the meal?
asked
Jun 6, 2019
Mathematics
middle-school
1
answer
0
votes
226k
views
What did Justinian I fail to regain all of the former provinces of the old Roman Empire
asked
Jun 2, 2019
History
middle-school
1
answer
0
votes
25.1k
views
What are the wolves afraid of in the hobbit?
asked
Nov 17, 2018
English
high-school
2
answers
3
votes
129k
views
20 9\16 + 24 5\8 + 21 5\16 + 23 3\8 DON'T SIMPLIFY
asked
Feb 1, 2018
Mathematics
middle-school
1
answer
1
vote
216k
views
Which statement describes a chemical property of water? It reacts with sodium metal. It has a melting point of 0°C. It has a density of about 1 g/mL. It is clear and colorless.
asked
Oct 17, 2017
Chemistry
high-school
1
answer
3
votes
225k
views
Why was arrival of u.s. forces so important to the war effort?
asked
May 9, 2017
History
high-school
2
answers
4
votes
187k
views
it took Bradley 3/4 of an hour to Read 50 pages in the book if he continues to read at the same rate how long should it take barley to read 120 pages
asked
Apr 20, 2017
Mathematics
middle-school
1
answer
3
votes
22.2k
views
What is the ratio of cups to quarts in a carton of milk? The choices are: [A] 1:1 [B] 1:4 [C] 4:1 [D] 4:5
asked
Jan 9, 2016
Mathematics
middle-school
2
answers
1
vote
193k
views
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