they use primary resorces!
hydrologist
no, geology is a sub part of earth science. earth science is complete study of earth and includes geology( study of earth crust), oceanography( study of oceans), Glaciology( study of glaciers), soil science( study of soil)
They use direct evidence from rock samples and indirect evidence from seismic waves.
5 chemical
Putascope
electronic microscope
To compare it.
b
b
they use stuff like earthquakes and volcanoes to study it.
By the use of Seismograph.
Earth Scientists primarily study the atmosphere, Oceans, hydrosphere, biosphere and Solid Earth. They use tools from Chemistry, Mathematics, Physics and Biology to draw an understanding of how the various Earth systems work.
What tools use for testing materials and equipments in computer hardware sevicing
geography
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How do scientists use seismic waves to study the Earth