What is brain drain?
A) The common name given to an illness caused by exposure to toxic residues from petroleum refining that results in short-term memory loss.
B) This occurs when highly centralized governments actively recruit the best and the brightest individuals for jobs in the national capital, leaving few behind in the villages.
C) This occurs when bright young people migrate to foreign lands in search of better jobs.
D) This is a rock group from the United Arab Emirates.
E) The common name given to the practice of providing scholarships to students in North Africa/Southwest Asia, which enables them to study abroad and gain a better education than that available in their home region. These scholars later return to share their new-found knowledge with their own students.
C
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There is a positive correlation between carbon dioxide concentrations in the atmosphere and periods of atmospheric warming over the last 900,000 years.
Answer the following statement true (T) or false (F)
The UN reports that how many children die each day from unsafe water and lack of basic sanitation?
A) 4000 B) 40000 C) 400 D) 100 E) 10000
One of the problems with finding new fossil fuel deposits in developing countries is that ________
A) their governments seldom allow extraction of the deposit without meeting expensive environmental regulations B) their governments seldom allow extraction of the deposit without imposing huge taxes to fund new social benefits for the country C) international companies move in to harvest the new deposit, and very little money or resource remains in the country D) it is very expensive to transport the deposit elsewhere E) those countries tend to keep the resource for themselves, not sharing with other countries
Volcanic mudflows (lahars) are common on composite volcanoes because
A) large amounts of rain and snowmelt mix with loose ash on steep slopes. B) hot mud commonly erupts from their central craters. C) such volcanoes form preferentially in rainy tropical locations.