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Mongol journey stations provided food and horses to? merchants politicians court messengers peasants
asked
Mar 16, 2018
History
high-school
2
answers
1
vote
143k
views
What is 60/12 expressed as a whole number?
asked
Mar 1, 2018
Mathematics
middle-school
2
answers
2
votes
170k
views
Which of the following statements bout enzymes is NOT true? A) enzymes work best at a specified pH. B) all enzymes have the same shape as their substrates. C) enzymes are proteins D) the shape of an enzyme
asked
Mar 1, 2017
History
high-school
1
answer
5
votes
191k
views
Find k such that x² + ( k + 1)x + k + 4 = 0
asked
Oct 24, 2015
Mathematics
high-school
1
answer
3
votes
10.9k
views
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