Which of the following is a sedimentary rock formed by the cementation of rounded gravel-sized grains?
a) Conglomerate
b) Breccia
c) Sandstone
d) Arkose
e) Cataclasite
Ans: a) Conglomerate
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The three R's of sustainable resource use are recycle, reuse, and reduce.
Answer the following statement true (T) or false (F)
Which of the following defines contact nucleation?
A. the joining of many nuclei to form an ice nucleus B. the freezing of supercooled droplets by contact with a nucleus C. the sticking together of ice crystals to make a snowflake D. the freezing of supercooled droplets when they make contact with a supercooled surface
Which of the following is part of the coastal zone?
A. vertical zone B. euphotic zone C. intertidal zone D. upwelling zone E. bathyal zone
Where is streamflow most likely to be at maximum velocity?
A. in the center of a straight channel B. along the banks of a meandering channel C. in the center of a meandering channel D. along the banks of a straight channel E. on the surface of streamflow in any channel