Which one of the following has been decreasing over the past several decades?
A) Mean global temperature B) Methane levels in the troposphere
C) Sea levels D) pH of the world's oceans
D
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The variety of the earth's species and ecosystems is called ____________________.
Fill in the blank(s) with the appropriate word(s).
When the environmental lapse rate exceeds the dry adiabatic rate, the lapse rate is called ____________________
Fill in the blank with correct word.
The single holiest site in Islam is
A) Madinah. B) Jerusalem. C) Makkah. D) Amritsar. E) the al-Ka'ba.
Which of the following is TRUE regarding the Green Revolution?
A) It has fulfilled all of its objectives wherever it has been adopted. B) It has virtually eliminated water borne diseases in countries that effectively practice it. C) It has solved hunger issues in all the countries that have adopted the Green Revolution. D) It has generated substantial increases in agricultural output worldwide. E) It has opened up Antarctica to cultivation and grazing.