What are the differences between P-waves and S-waves? What will be an ideal response?
P-waves are primary waves; they arrive first to a seismograph because they are the fastest. They are
compressional and can travel through solids, liquids, and gases. S-waves are secondary waves; they
arrive second to a seismograph. They are shear waves because they move the material perpendicular to
the direction of travel. S-waves can only travel through solids.
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According to WHO (World Health Organization) and World Bank experts, indoor air pollution is
a. the world's most serious air pollution problem b. the world's least serious air pollution problem c. a serious problem in poor countries, but no problem in affluent countries d. more than one of these e. none of these answers
Which set of rock properties are found in the highest quality aquifers?
A. low porosity, high permeability B. high porosity, low permeability C. high porosity, high permeability D. low porosity, low permeability
What chemical weathering process is responsible for forming caves?
A. Dissolution B. Oxidation C. Hydrolysis
Io is the most volcanically active body in the solar system at this time.
Answer the following statement true (T) or false (F)