Empirical science
What will be an ideal response?
scientific approach by using observation and experimentation
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What is the name for the following polyatomic ion? PO4-3
A) phosphate B) phosphorus oxide C) phosphinate D) trioxo phosphoride E) potassium
Hurricanes form in the: a. tropics
b. middle latitudes of the southern hemisphere. c. middle latitudes of the northern hemisphere. d. All of these choices.
If the area shown in this figure is 240 kilometers wide, and the oldest crest is 4 million years old, what was the approximate rate of seafloor spreading across this ridge?
A. 60 kilometers per million years B. 960 kilometers per million years C. 2.4 kilometers per million years D. 0.24 kilometers per million years E. 240 kilometers per million years
The chemical formula of hydrogen cyanide is HCN. How many unshared electrons are associated with a molecule of hydrogen cyanide?
A) 2 B) 4 C) 6 D) 10