The surface of earth is a thin, solid crust enclosing a molten core of lava. when the core moves, it disturbs the crust at specific locations, which causes earthquakes. how is an earthquake felt on the crust?
a) an explosion that ruptures earth’s surface
b) up-down or sideways wave-like shaking motion
c) the widening of large cracks or fissures over the years
d) a bulging of the ground that takes place over a few days

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research. b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research. c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data. d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)

In which state was more than 100 billion tons of coal mined in 2005?