When compared to their warmer water counterparts, cold-water plankton often ________
A) are larger in size
B) are smaller in size
C) exhibit countershading
D) have more spines and ornamentation on the cell wall
E) reproduce asexually only
A
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What indicates that the lava that flowed north from SP Mountain was very fluid?
Look at the following volcanoes (note that the maps are of several different scales): • Mount Vsevidof (53°07'35"N, 168°41'16"W), a composite volcano in Alaska (shown on Map T-2, Map T-21b, and Figure 34-2) • Crater Mountain (37°52'42"N, 119°00'25"W), the highest peak of the Mono Craters, a chain of rhyolitic plug dome volcanoes in California (shown on Maps T-23a and T-23c) • SP Mountain (35°34'56"N, 111°37'55"W), a basaltic cinder cone in Arizona (shown on Maps T-22a and T-22b and Figure 34-3) • Mauna Loa (19°28'17"N, 155°35'41"W), a large shield volcano on the Big Island of Hawai‘i (shown on Maps T-1 and T-21a) What will be an ideal response?
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
The axis of rotation of the Earth is inclined how many degrees away from being perpendicular to the sun's rays?
A) 23.5° B) 66.5° C) 45° D) 90°
Active sea cliffs are characterized by steep faces and a lot of rock debris at their base. Indicate whether the statement is true or false