Topic Test Answers

The hydrosphere does not overlap with any other spheres.

What is the main energy source that drives global climate?a.solarb.windc.mechanicald.heat

The amount of sunlight received at Earth's surface fluctuates more at the poles than the equator.

Why are a variety of instruments needed to measure change in the climate system?a.A different type of instrument is needed for each different climate.b.The climate system involves a number of different factors that are measured differently.c.Climate is determined over a number of years, rather than a short period of time.d.Different areas have developed different instruments to measure climate change.

The radiosonde can be used to measure upper air temperature.