Which statement about iron oxidation is false?
A) Oxidation of iron helps to protect rocks against weathering.
B) Limonite is an iron hydroxide mineral.
C) Hematite is the most common red iron oxide mineral.
D) Iron is one of the most abundant minerals in Earth's crust, and iron oxidation is a common reaction in chemical weathering on Earth.
Answer: A
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The majority of the African continent is dominated by which three bioregions?
A) evergreen forest, tundra and ice B) tropical rain forest, desert and tundra C) evergreen forest, tropical rain forest and desert D) temperate deciduous forest, tropical rain forest and evergreen forest E) tropical rain forest, tropical savanna and desert
Why were glacially deposited strata important in the development of the continental drift hypothesis? What will be an ideal response?
All of the weather we are familiar with on Earth occurs in the ____
A) exosphere B) stratosphere C) mesosphere D) troposphere
these nonvascular plants can often survive bare rock
What will be an ideal response?