Read the passage.
Scientists often need a catalyst to start a chemical reaction. They need to apply heat, acids, or other materials to jump-start the experiment.
Which phrase is the best definition of catalyst?
something hot
something acidic
something that triggers
something that is scientific
Answers: 3
History, 22.06.2019 03:00
After the civil war which president was called a "carpetbagger"?
Answers: 1
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Describe the geography of the nile valley . how did this geography affect civilizations that emerged in the nile valley
Answers: 3
History, 22.06.2019 06:30
Pls thomas jefferson believed that the french revolution and the reign of terror, a. should be exported to the rest of europe. b. would bring the united states and britain closer together. c. we’re understandable yet regrettable responses to the excesses of french monarchy. d. we’re not particularly important developments.
Answers: 2
Read the passage.
Scientists often need a catalyst to start a chemical reaction. They need to apply...
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