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Answers by Wrtsprt

Answers by Wrtsprt
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The half-life of an isotope is the time it takes ________ of the original material to decay to the daughter product. A. 25% B. 50% C. 75% D. 100%
answered Jun 2, 2018
6 votes
102k views
$46 shoes; 2.9% tax what is the answer?
answered Apr 22, 2018
6 votes
58.9k views
An economy that is based on mining or producing raw materials to be used in foreign industries is called A. an export economy. B. an extractive economy. C. a feudal economy. D. an industrial economy.
answered Apr 6, 2018
6 votes
7.1k views
Which statement is true? A. Species with similar evolutionary histories are not classified together. B. Species with different evolutionary histories are classified more closely together. C. Species with
answered Oct 17, 2017
4 votes
143k views
What is the difference between physical and chemical change?
answered Sep 16, 2017
6 votes
146k views
The reaction h2co3 h2o<-> h3o hco3– takes place in water. what happens to the equilibrium when the pressure is increased? (1 point)it favors formation of reactants.it favors formation of products.it does
answered Sep 10, 2017
4 votes
111k views
Read the sentence below: We may have to go off-trail on this hike and blaze our own route. Which is the best definition of blaze in this context? a. An intensely burning fire b. A sudden outburst c. To
answered Jul 10, 2017
4 votes
137k views
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