When compared to an earthquake with a magnitude of 3, an earthquake with a magnitude of 4 has a seismic wave times larger and a fold increase in seismic energy

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

Plants can have a positive and negative effect on the rate of weathering

Some fossils provide evidence to suggest that earth's climate has changed over time. which information can scientists obtain from these fossils? check all that apply