Explain the scientific method. What will be an ideal response?
The scientific method starts with a question. Tentative explanations are called hypotheses.
These hypotheses are tested to see if their predictions are valid. If one of the hypotheses is found
to explain the phenomenon after repeated tests, it is proposed as a theory.
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Most aquifers are rapidly recharged through precipitation that percolates downward through soil and rock
Indicate whether the statement is true or false
This map shows contours of the water table and the location of a factory that contaminated the groundwater. Which way will the contamination flow?
A) Northwest, up the contours
B) Southwest, parallel to the contours
C) Southeast, down the contours
D) No direction because the movement of contamination is independent of groundwater
The molecular weight of cholesterol is 710. amu. What is the mass of one molecule of cholesterol?
A) 1.18 x 10^-21 g B) 0.00141 g C) 710. g D) 8.48 x 10^20 g
All of the following are cold currents, EXCEPT
A. Humboldt Current. B. Benguela Current. C. North Equatorial Current. D. California Current.