1 .		Climate data can be used to predict the weather.   True  False
2 .		The term lithosphere refers to the rigid outer layer of Earth that includes the crust and uppermost part of the core.   True  False
3 .		Weather is the state of the atmosphere at any given time and place.   True  False
4 .		Tiny solid and liquid particles in the air are called aerosols.   True  False
5 .		The troposphere is often referred to as the "weather sphere."   True  False
6 .		The sharp boundary marking the top of the atmosphere occurs at a height of 123 kilometers.   True  False
7 .		Ozone depletion caused by chlorofluorocarbons (CFCs) is a serious, global-scale, environmental problem.   True  False
8 .		In the atmosphere, carbon is mainly found chemically bonded to oxygen to form ozone.   True  False
9 .		Climate is a description of aggregate weather conditions that helps to describe a place or region.   True  False
10 .		Ozone is concentrated well above Earth's surface in a layer called the stratosphere, between 10 and 50 kilometers (6 and 31 miles).   True  False
11 .		The environmental lapse rate is not a constant, but rather can be highly variable and must be regularly measured using radiosondes.   True  False
12 .		The composition of the atmosphere above 80 kilometers (50 miles) is not uniform.   True  False
13 .		The scientific study of the atmosphere is a recent undertaking that began approximately 50 years ago with the invention of instruments to measure the different elements.   True  False
14 .		The sole source of energy for the Earth system is the Sun.   True  False
15 .		Atmospheric temperatures increase in the stratosphere because of the absorption of ultraviolet radiation by nitrogen.   True  False
16 .		Most natural systems are open systems.   True  False
17 .		Mechanisms that enhance or drive change in a system are called negative feedback mechanisms.   True  False