What solid materials would have existed in the vicinity of Earth as the solar nebula cooled?
What will be an ideal response?
Near Earth, iron-nickel metal, silicate minerals such as olivine, pyroxenes, and feldspar.
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A shale that is subjected to moderate metamorphism may become a slate. Indicate whether the statement is true or false
The Convention on Biological Diversity has goals that ________
A) include a set of international laws B) spell out future management plans for all biomes C) include using biodiversity in a sustainable manner D) are designed to reduce biodiversity E) ensure the distribution of biodiversity's benefits to wealthy countries who can pay for them
The "A" horizon or combined "O/A" horizons of the soil are known as the ________
A) subsurface horizon(s) B) illuviation layer(s) C) epipedon D) regolith E) colloidal layer(s)
Which of the following countries has the most nuclear power plants?
A) Canada B) Sweden C) France D) United States E) Russia