Astrobiology as a field of scientific research, includes contributions from
A) only astronomers and biologists
B) biologists with an interest in astronomy
C) astronomers with an interest in biology
D) many different scientific disciplines
D
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Is it feasible to construct an air-filled parallel-plate capacitor that has its two plates separated by 0.10 mm and has a capacitance of 1.0 F? Why or why not?
What will be an ideal response?
Which of the following is not generally used in mineral identification?
a. Size b. Cleavage c. Specific gravity d. Color
Web designers sometimes measure type size in pixels, where 24 pixels equal a 10-point font.
Answer the following statement true (T) or false (F)
A conducting rod (length = 2.0 m) spins at a constant rate of 2.0 revolutions per second about an axis that is perpendicular to the rod and through its center. A uniform magnetic field (magnitude = 8.0 mT) is directed perpendicularly to the plane of rotation. What is the magnitude of the potential difference between the center of the rod and either of its ends?
a. 16 mV b. 50 mV c. 8.0 mV d. 0.10 mV e. 100 mV