What causes the S-wave shadow zone? What causes the P-wave shadow zone?
What will be an ideal response?
The S wave shadow zone occurs because S waves do not pass through liquids and part of Earth's core is liquid. The P wave shadow zone occurs because P waves slow down and get refracted when they pass through the part of Earth's core that is liquid.
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According to policy approved by the United Nations, each country on earth with a shoreline on international waters may claim an Exclusive Economic Zone (EEZ) of what extent?
A. 25 miles B. 100 miles C. 200 miles D. 500 miles
Organic farming ________
A) is presently limited to crops of fruits and vegetables B) began in the 1960s C) has no national standards in the United States D) and organically grown produce have not been supported by the European Union E) has become more challenging because of contamination by GM crop varieties
Cities impact the environment in all of the following ways EXCEPT
A) they only affect the environment in their local areas. B) changes in albedo and hydrologic capacities. C) production of solid waste that is not collected. D) global losses in topsoil. E) production of fossil fuels emissions.
____________________ in northern Europe are among the highest in the European realm.
-Unemployment -Immigration rates -all of these are correct -Military expenditures -Standards of living