A number of technologies have been developed to perform ____________________ including reverse osmosis and distillation, but it still only provides 0.3% of the world's water demand.
Fill in the blank(s) with the appropriate word(s).
desalination
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Why does the Sun get brighter with time?
What will be an ideal response?
Match the following examples with the correct geologic principle/event
A) Undeformed sequence of sandstone on bottom, shale in the middle, and conglomerate on top. B) Marine shale sits atop folded strata. C) Trilobite is used to match shale units across an ocean basin. D) Igneous dike intrudes into a sequence of sandstone, shale, and limestone. E) Continuous layer of shale eventually thins out, grading into sandstone. F) Sandstone sits atop a granite intrusion and pieces of the granite are contained within the sandstone. G) Rock layers have been tilted or folded, are not lying flat. H) Sandstone outcrop is submerged underwater, then overlain by shale. I) Conglomerate sits atop a granite intrusion. 8) disconformity 9) nonconformity 10) angular unconformity 11) principle of superposition 12) principle of original horizontality 13) principle of lateral continuity 14) principle of cross-cutting relationships 15) principle of inclusions 16) principle of fossil succession
Which of the following defines the primary structure of proteins?
A) the geometric arrangement of the backbone atoms B) the geometric arrangement of the side chains C) the sequence of the amino acids D) all of the above
Which of the following is NOT a reason for the differential heating and cooling of land and water?
a. higher temperatures over the land in the summer b. Water is more transparent. c. Specific heat of water is higher. d. the fluid character of water