What is the celestial sphere?
A. Earth
B. an observatory dome
C. the Sun
D. the imaginary sphere of the sky, on which stars lie
Answer: D
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Although the energy per coulomb of a high-voltage party balloon is high, the energy transfer that occurs if you touch it is low due to
A) the relatively small amount of charge. B) rubber being a poor conductor. C) the small electric potential. D) all of the above
What is absolutely necessary for living organisms to survive?
A) energy B) sunlight C) oxygen D) food in the form of other organisms E) all of the above
According to kinetic theory, a typical gas molecule in thermal equilibrium at room temperature has a kinetic energy K = 6.00 × 10?21 J, regardless of mass. Estimate the speed at room temperature of a hydrogen molecule H2 (m = 3.34 × 10?27 kg) and a xenon atom (m = 2.00 × 10?25 kg). [kB = 1.38 × 10?23 J/K]
What will be an ideal response?
Conglomerate and breccia are classified as ______________ rocks
Fill in the blank(s) with correct word