Which numbered layer represents the oldest layer?
A) 1
B) 2
C) 3
D) 4
A) 1
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This globe from the atmospheric moisture investigation shows specific humidity, with blue and green being highest. What is a possible explanation for why specific humidity values are relatively low in the ocean adjacent to the western coast of southern Africa?
A) The ITCZ shifts position with season
B) The presence of a cold ocean current
C) The westerlies blow from north to south in this area
D) The westerlies blow south to north in this area
Which phylum has the most number of species?
a. Mollusca b. Arthropoda c. Chordata d. Annelida
Where does barter or countertrade occur today?
A) in modernizing markets in developing countries B) in growing markets in newly industrializing countries C) in traditional markets in underdeveloped countries D) in post-industrial markets in the industrially advanced countries E) in capitalist markets in industrial countries
In cities, where less vegetation and exposed soil exists, the majority of the Sun’s energy is absorbed by urban structures and asphalt, creating an urban heat island
a. True b. False