Starting at Earth's surface, which sequence correctly orders the atmospheric layers?

Which pattern is mainly used to distinguish the troposphere, stratosphere, mesosphere, and thermosphere?

Follow the temperature curve through region A. What happens as altitude increases within this region?

Using the temperature curve, identify the layer whose upper boundary reaches the lowest temperature.

Which atmospheric layer is farthest from Earth's surface and gradually merges with space?

A weather balloon rises above a school in Quezon City. What generally happens to the surrounding air pressure?

Which gas makes up the largest portion of Earth's atmosphere?

In which atmospheric layer do most clouds and everyday weather develop?

Band A marks the greatest concentration of ozone. Which atmospheric layer contains it?

What is the upper-atmosphere region containing many electrically charged particles called?

How does energy from the Sun travel across the nearly empty space between the Sun and Earth?

Which process produces the natural greenhouse effect?

Name the thin, wispy cloud marked A.

A class observes small, fluffy white clouds like B during fair weather. Which name belongs to these clouds?

Cloud C forms a uniform, low sheet across the sky. What type is it?

The towering cloud marked A can produce thunder, lightning, and heavy rain. Identify its type.

Steady rain falls for hours beneath the thick cloud sheet marked B. Which cloud type fits this observation?

Which name matches cloud A, the gray sheet in the middle-altitude band?

Rounded cloud masses appear in patches at middle altitudes, as shown at C. What are they called?

Look at B: a low layer broken into rounded rolls or patches. Select its cloud name.