Which of the following contains two species which are a pair of isotopes?
A) 14C, 14N
B) 12C, 13C
C) both a and b
D) neither a nor b
B
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Dew PointFor the following questions refer to the temperature and dew point data in the following cities: CityAir Temperature (ºC)Dew Point (ºC)City A3524City B-12-12City C-1-6City D106Which of the following procedures will increase the relative humidity in a home during the winter?
A. lowering the temperature of the air inside the home B. taking a shower and letting the air circulate in the home C. increasing the thermostat setting D. sealing the house against drafts
When basaltic lava cools under water, it forms _______
a) pillow basalts b) flood basalts c) rift basalts d) sheet basalts e) regional basalts
In 2014, which of the following countries produced the most barrels of oil?
A) Iraq B) Kuwait C) Iran D) United Arab Emirates E) Saudi Arabia
The theory of plate tectonics can be used to explain all of the following EXCEPT:
A. the presence of magnetic anomalies on the ocean floor. B. the presence of glacial deposits in what are now tropical areas. C. the distribution of earthquakes and volcanoes. D. the origin of mountains. E. the origin of the Earth's core.