Tropospheric aerosols
A) have residence time of at least several centuries.
B) have the net effect of reducing global temperatures.
C) form a positive feedback loop with increasing atmospheric carbon dioxide.
D) are rarely anthropogenic in origin.
Question 2
Stratospheric particulates and aerosols stay suspended longer because
A) they are small and there is no mechanism to remove them.
B) they are held aloft by the jet streams.
C) they are trapped in the tropopause.
D) they combine with ozone and are held in chemical bonds.
The principle of faunal succession uses animal fossils to tell relative time.
Healthier choices can be made when time is taken to read a nutrition label.
For centuries, widows in the Mediterranean countries, such as thise widow in Greece, were expected ...
Environmental Systems in Space and Time
Volcanoes eject reflective aerosols into the atmosphere
Estimated number of new HIV infections per year over time period in Canada