Hardpan forms in the
A. A horizon
B. B horizon
C. C horizon
D. E horizon
Answer: B
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A hypothesis is ________
A) a prediction about something that has not yet been observed B) the design of an experiment that can be used in scientific inquiry C) a statement that explains an observed phenomenon or answers a question D) a proven scientific fact
What is the value, to humankind, of biodiversity?
What will be an ideal response?
?Match the term with the correct description.
A. ?bacteria, viruses, protozoa, parasites B. ?oil, gasoline, plastics, pesticides, cleaning solvents C. ?lead, mercury, arsenic D. ?nitrate and phosphate E. ?biodegradable animal wastes and plant debris
The magnetic poles of Earth are quite distant from the geographic poles
Indicate whether the statement is true or false