Would one expect to find more soluble materials in the soil of an arid region or the soil of a humid region? Why?
What will be an ideal response?
Answer: Arid region soils contain more soluble minerals because water has not removed them.
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What occurs during dissolution?
A) Minerals soak up water molecules. B) Both the minerals and the water are consumed resulting in new minerals. C) Mineral molecules break apart, and these molecules then disperse in water. D) Oxidation occurs.
____________________ was a robust creature with a developed social structure. Fill in the blank(s) with the appropriate word(s)
The solar radiation we receive on Earth is the result of ________.
A. nuclear fission as carbon is split into any number of smaller atoms B. the oxidation of combustible material within the Sun's core C. the nuclear fusion of hydrogen into helium D. nuclear fission as helium is split into hydrogen E. the nuclear fusion of iron into hydrogen
What technology, new in the late 19th century, increased the demand for copper worldwide?
A) The automobile B) Cartridge style bullets C) Electricity D) Lead-free plumbing