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.
Time-course of reprogramming mouse fibroblasts into induced pluripotent stem cells
ESM Study of Time Spent with Family
Sterilization Time Requirements Cont
Healthier choices can be made when time is taken to read a nutrition label.
Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients
The Geologic Time Scale