Greenhouse gases in the atmosphere
A. have decreased over the past fifty years.
B. prevent sunlight from reaching Earth's surface.
C. trap outgoing heat radiated by Earth's surface.
D. All of the choices are correct.
Answer: C
You might also like to view...
In many U.S. cities, poor, undereducated, minority and other less powerful groups are often concentrated
A. Outside of the city entirely B. In urban centers C. At city margins D. In a ring of satellite settlements around a city E. None of these; usually the poor, undereducated, minority and other less powerful groups are distributed throughout the area
Light energy from the sun is trapped by bacteria in organisms called primary producers
Indicate whether the statement is true or false
The transfer of heat energy within liquids or gases when warmer areas of the liquid or gas rise to cooler areas and cooler liquid or gas takes its place is called conduction.
Answer the following statement true (T) or false (F)
The largest number of refugees to come to Germany in recent years are from
A. Iraq B. Russia C. South Africa D. Bosnia-Herzegovina