Which layer is broken up into several plates which "move and float very slowly? Their very slow motion is the cause of plate tectonics, a process associated with continental drift, earthquakes, volcanoes, and the formation of mountains.

Which atomic model was proposed as a result of j. j. thomson’s work?

Which component of the earth’s atmosphere is decreased due to photosynthesis?

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47