All of the following are volatile organic compounds (VOCs) except
a. Methane
b. dry cleaning fluids
c. carbon monoxide
d. Benzene
e. industrial solvents
C
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Nagorno-Karabakh is an ethnic enclave of ________ in ________
A) Georgia; Russia B) Moldova; Romania C) Armenia; Azerbaijan D) Azerbaijan; Georgia E) Armenia; Georgia
Extractive activities are considered to be what sector of the economy?
A) quaternary B) secondary C) tertiary D) primary E) none of the above
Dung beetles live in regions where cattle graze, quickly burying and recycling cattle droppings
Because of the dung beetle's activities, breeding habitats and resources for disease-carrying flies are reduced, and the plants upon which cattle feed are nourished. The relationship between the dung beetles and the cattle is a type of ________. A) mutualism B) intraspecific competition C) parasitism D) interspecific competition
The Panama Canal was cut to sea level to facilitate boats' passage between Atlantic and Pacific oceans and this is why its construction took so long.
Answer the following statement true (T) or false (F)