Which of the following factors drives TFR down?
A) history and tradition
B) rural lifestyle
C) high infant mortality
D) poverty
E) social and economic security
E
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Melting of Arctic sea ice is influencing the survival of polar bear populations.
Answer the following statement true (T) or false (F)
All of the following would result in a positive feedback loop except ________
A) an increase in volcanic activity causes sulfate aerosols to be released into the atmosphere B) the melting of ice sheets in Greenland causes rocks that had previously been covered in ice and snow to be exposed to sunlight C) an increase in global temperatures causes people to use more electricity for air conditioning D) an increase in global temperatures increases evaporation of surface waters, which increases the amount of water vapor in the atmosphere
Both Love and Rayleigh waves are referred to as L waves (long waves) because they take longer periods of time to complete one cycle of motion and are slower moving relative to P and S waves.
Answer the following statement true (T) or false (F)
________ is the process in which hydrocarbons with higher boiling points could be broken down into lower boiling hydrocarbons by exposing them to very high temperatures.
Fill in the blank(s) with the appropriate word(s).