Which of the following processes is primarily responsible for the sky's blue color?
A. reflection
B. filtering
C. absorption
D. scattering
Answer: D
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Turbulent flow has the following properties:
a. Streamlines are parallel; no mixing between layers b. Streamlines intertwine; with complex mixing c. the velocity is relatively slow d. the velocity is large e. both b and d
What two conditions must be met for a glacier to form?
What will be an ideal response?
What two economic sectors are the largest global greenhouse gas emitters?
A. (1) Agriculture, forestry, and other land use plus (2) electricity and heat production B. (1) Transportation plus (2) electricity and heat production C. (1) Electricity and (2) heat production and buildings D. (1) Industry plus (2) electricity and heat production
Using Figure 6.23 from your textbook, choose the option that correctly matches parent rocks with possible metamorphic products
A) shale: gneiss; marble: schist; mafic igneous: amphibolite B) sandstone: quartzite; coal: phyllite; intermediate igneous: greenstone C) shale: slate; limestone: marble; sandstone: quartzite D) felsic igneous: greenstone; limestone: schist; dolostone: marble