Which statement is not true?

A. Nothing. These clouds are
harmless and very high up.
B. Nothing. These clouds are
harmless but very close to the
ground.
C. A thunderstorm is likely to occur.
D. A light snow is coming.

Jose notices several large
cumulonimbus clouds when
playing in the park. What
event might happen next?

Which layer of the earth’s
atmosphere does the
International Space Station
(ISS) orbit in?

A. The troposphere is responsible for nearly
all of Earth’s weather.
B. The exosphere reaches deep into space
and is the least dense layer.
C. The thermosphere typically breaks up
meteors before they hit Earth.
D. The stratosphere allows commercial
airlines to fly with less turbulence because
of fewer convection currents.