EARTH 122 Exam with Questions and Correct Answers 2025.

EARTH 122 Exam with Questions and
Correct Answers 2025



Atmosphere ,- ,CORRECT ,ANSWER-the ,thin ,layer ,of ,gases ,that ,surrounds ,Earth

Troposphere ,- ,CORRECT ,ANSWER-bottom-most ,layer ,(0-10 ,km)

Stratosphere ,- ,CORRECT ,ANSWER-11-50km ,above ,sea ,level

Tropopause ,- ,CORRECT ,ANSWER-limits ,mixing ,between ,troposphere ,and ,layer
,above ,it


Mesosphere ,- ,CORRECT ,ANSWER-50-80 ,km ,above ,sea ,level

Thermosphere ,- ,CORRECT ,ANSWER-atmosphere's ,top ,layer, ,extends ,up ,to ,500
,km


Atmospheric ,pressure ,- ,CORRECT ,ANSWER-measures ,the ,force ,per ,unit ,area
,produced ,by ,a ,column ,of ,air


Relative ,humidity ,- ,CORRECT ,ANSWER-the ,ratio ,of ,the ,amount ,of ,water ,vapor
,in ,the ,air ,at ,a ,specific ,temperature ,to ,the ,maximum ,amount ,that ,the ,air ,could
,hold ,at ,that ,temperature, ,expressed ,as ,a ,percentage


Convective ,circulation ,- ,CORRECT ,ANSWER-less ,dense, ,warmer ,air ,rises ,and
,creates ,vertical ,currents


Weather ,- ,CORRECT ,ANSWER-specifies ,atmospheric ,conditions ,over ,short ,time
,periods ,and ,within ,a ,small ,geographic ,area


Climate ,- ,CORRECT ,ANSWER-describes ,patterns ,of ,atmospheric ,conditions
,across ,large ,geographic ,regions ,over ,long ,periods ,of ,time


Front ,- ,CORRECT ,ANSWER-the ,boundary ,between ,air ,masses ,that ,differ ,in
,temperature, ,moisture, ,and ,density


Warm ,front ,- ,CORRECT ,ANSWER-the ,boundary ,where ,warm ,moist ,air ,replaces
,colder, ,drier ,air

, Cold ,front ,- ,CORRECT ,ANSWER-the ,boundary ,where ,colder, ,drier ,air ,displaces
,warmer ,moister ,air


High-pressure ,system ,- ,CORRECT ,ANSWER-air ,that ,moves ,away ,from ,a ,center
,of ,high ,pressure ,as ,it ,descends


Low-pressure ,system ,- ,CORRECT ,ANSWER-air ,moves ,toward ,the ,low
,atmospheric ,pressure ,at ,the ,center ,of ,the ,system ,and ,spirals ,upward


Thermal ,inversion ,- ,CORRECT ,ANSWER-a ,layer ,of ,cool ,air ,occurs ,beneath ,a
,layer ,of ,warmer ,air


Inversion ,layer ,- ,CORRECT ,ANSWER-the ,band ,of ,air ,in ,which ,temperature ,rises
,with ,altitude


Hadley ,cells ,- ,CORRECT ,ANSWER-a ,pair ,of ,convective ,air ,currents ,near ,the
,equator ,where ,surface ,air ,warms, ,rises, ,and ,expands


Ferrel ,cells ,and ,polar ,cells ,- ,CORRECT ,ANSWER-convective ,cells ,that ,lift ,air
,and ,create ,precipitation ,at ,60 ,degrees ,latitude ,north ,and ,south


Coriolis ,effect ,- ,CORRECT ,ANSWER-the ,north-south ,air ,currents ,of ,the
,convective ,cells ,appear ,to ,be ,deflected ,from ,a ,straight ,path


Air ,pollutants ,- ,CORRECT ,ANSWER-gases ,and ,particulate ,material ,added ,to ,the
,atmosphere


Air ,pollution ,- ,CORRECT ,ANSWER-the ,release ,of ,pollutants

Outdoor ,(ambient) ,air ,pollution ,- ,CORRECT ,ANSWER-pollution ,outside

Dust ,storms ,- ,CORRECT ,ANSWER-hundreds ,of ,millions ,of ,tons ,of ,dust ,are
,blown ,westward ,across ,the ,Atlantic ,Ocean ,by ,trade ,winds ,each ,year


Aerosols ,- ,CORRECT ,ANSWER-fine ,droplets ,formed ,when ,sulphur ,dioxide
,reacts ,with ,water/oxygen ,and ,condenses


Point ,source ,- ,CORRECT ,ANSWER-specific ,spots ,where ,large ,quantities ,of
,pollutants ,are ,discharged


Nonpoint ,sources ,- ,CORRECT ,ANSWER-more ,diffuse ,consisting ,of ,many ,small
,sources


Primary ,pollutatns ,- ,CORRECT ,ANSWER-directly ,harmful ,and ,can ,react ,to ,form
,harmful ,substances