Answer questions like ...

1. Sea level is rising at the same rate all over the world.
2. A phytoplankton bloom consists of a large number of microscopic plants floating on the upper, sunlit layers of the ocean. Such blooms indicate the onset of:
3. Aerosols are tiny solid or liquid particles suspended in the atmosphere. How can large concentrations of aerosols affect the temperature of Earth’s atmosphere?

Use the green Start Show button above to start playing!