Some materials such as road salt and phosphorous and potash in fertilizers cannot be recovered.
Answer the following statement true (T) or false (F)
True
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Which of the following reactions involves the addition of different groups to the two ends of a double bond?
A) hydrogenation B) hydrobromination C) both a and b D) neither a nor b
Judge the following sentence according to the criteria given below: Biogenous sediment usually contains abundant calcite below the calcite compensation depth BECAUSE it readily dissolves above the calcite compensation depth
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
Which sediment is categorized under cosmogenous sediments?
a. Evaporites b. Ooliths c. Microtektites d. Manganese nodules
The difference between a rock and a mineral is that
A. rocks are harder than minerals. B. rocks are composed of minerals. C. rocks can be of a wider variety of origins than minerals. D. rocks are inorganic but minerals are organic. E. rocks are cycled over geologic time but minerals are not.