Rainwater can cause chemical weathering by
A) freezing into the cracks in rock.
B) applying a force to rock.
C) taking minerals out of rock and putting them in solution.
D) removing rock's surface layer.
C
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Quartz forms at a lower temperature than olivine
Indicate whether the statement is true or false
The Great Pacific Garbage Patch (or Eastern Garbage Patch) is a region of the Pacific Ocean northeast of Hawaii where high concentrations of marine debris can be found
This debris includes easily visible large pieces of floating litter such as plastic bottles, along with vast quantities of easily-overlooked confetti-sized plastic particles suspended in the surface waters. The patch is estimated to be at least the size of Texas, with some estimates as great as the size of the continental United States. Several such patches exist in the various oceans across the globe. What is the most logical explanation for the existence of these patches? A) The rotation of the planet causes marine debris to be pulled toward the Equator, where most of these patches are found. B) There are several locations in the middle of the oceans where it is legal to dump wastes. C) The patches are found along shipping lanes where cruise ships illegally dispose of their garbage by throwing it overboard. D) Currents circulate plastics and other debris until they accumulate in areas where currents are more sluggish.
Newspapers from 50 years ago may still be readable because trash can resist decomposition for centuries if it is not exposed to air, sunlight, water, and bacteria.
Answer the following statement true (T) or false (F)
Which of the following is made by chemical processing of animal fat or vegetable oil?
A) Gasoline B) Alcohol C) Sugar cane gas D) Biodiesel E) Ethanol