Social Studies, 29.01.2020 02:57, cody1097
Which of the following statement about earthquakes is false? a. surface waves travel more slowly than either -p or -s waves b. s- waves cause particles to move at right angles to the direction in which the waves are travel c. s-waves travel about twice as fast as p-waves d. p-waves can travel through any material
Answers: 1
Social Studies, 22.06.2019 18:40, student176
Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.
Answers: 1
Social Studies, 23.06.2019 14:30, mecennabosaaen
How many countries were represented at the paris negotiations (where the treaty of versailles was signed) in january 1919?
Answers: 1
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