9.1 Give ONE term for each of the following descriptions by choosing a term from the list below. Write only the term next to the question numbers ( 9.1 .1 to 9.1 .7 ) in the ANSWER BOOK, e.g. 9.1 .8 climate. radiation fog; katabatic; temperature inversion; anabatic; smog; thermal belt; frost; aspect 1.1 Zone where warm air mass is trapped between colder air masses 1.2 A mixture of smoke and fog 1.3 The direction in which the slope faces in relation to insolation 1.4 Forms when calm conditions and clear skies occur in a valley 1.5 Forms on the valley floor when the air temperature is below freezing point 1.6 Type of wind that results from air sinking down the valley slope at night 1.7 Type of wind that results from air moving up the valley slope during the day