There must be equal amounts of mass on both side of the center of mass of an object
A) True
B) False
Answer: B
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The proton-proton chain
a. combines two hydrogen nuclei to produce a single helium nucleus and energy. b. splits a helium nucleus to produce 4 hydrogen nuclei and energy. c. is the mechanism that increases the temperature between the photosphere and corona of the sun. d. is the interactions between protons in Earth's atmosphere that produces auroras. e. produces energy in the core of the sun in the form of gamma-rays, positrons, and neutrinos.
The tree of life
A) traces back the evolution of all mammals to a common ancestor B) classifies organisms according to their physical appearance C) illustrates the biochemical and genetic relationships between the different domains of life D) is a name for the first organism from which all life originated
The four Galilean moons of Jupiter are found within Jupiter's _______________
Fill in the blank(s) with correct word
What is the de Broglie wavelength of a ball of mass 200 g moving at 30 m/s? (h = 6.626 × 10-34 J ? s)
A) 1.1 × 10-34 m B) 2.2 × 10-34 m C) 4.5 × 10-28 m D) 6.7 × 10-27 m