What texture is displayed by the igneous rock in this photograph?
A. glassy
B. porphyritic
C. vesicles
D. breccia
E. None of these.
Answer: B
Environmental & Atmospheric Sciences
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The speed of an airplane caught in a right-angle crosswind
A. remains unchanged. B. decreases. C. increases. D. cannot be estimated.
Environmental & Atmospheric Sciences
The high speed needed to put a satellite in circular orbit is to
A. attain a path that matches Earth's surface curvature. B. get it above Earth's gravitational field. C. both of these D. none of the above
Environmental & Atmospheric Sciences
This figure shows three blocks in water. Which of these materials is the least dense?
A. block 1 B. block 2 C. block 3 D. the water 4
Environmental & Atmospheric Sciences
What precipitation type is typically caused by mountains or highlands?
a. convectional b. frontal c. orographic d. anticyclonic
Environmental & Atmospheric Sciences