Which of the following are NOT among the world's main agricultural hearth areas?
A) North America's Mississippi and St. Lawrence Rivers
B) Middle East's Tigris and Euphrates Rivers
C) South Asia's Indus, Ganges and Brahmaputra Rivers
D) South America's Andes Mountains
E) Central America's Tamaulipas and Tehuacan Valley
Answer: A
You might also like to view...
The origin of dust devils would be most similar to
A) tornadoes. B) haboobs. C) microbursts. D) virga.
Which of the following components of MSW has most recently increased the most?
A) Glass B) E-waste C) Plastics D) Paper
Estuaries are typically classified into four types depending on their origins
Indicate whether the statement is true or false
Which of the following is an effect of high selenium concentrations in stream water?
A) Selenium mining companies will want to extract the selenium and thus damage the aquatic ecosystem. B) Selenium causes birth defects in fish. C) The selenium will react with potassium isocyanate, resulting in cyanide poisoning of organisms living in the stream. D) There are no negative effects from selenium, but high selenium levels generally indicate high levels of substances that are harmful. E) Selenium reacts with oxygen, thus suffocating fish and other aquatic organisms.