Which of the following agrees with a no-center, no-edge Universe?
a. a flat geometry b. a positive-curved geometry
c. a negative-curved geometry d. All of the other choices are correct.
d
Physics & Space Science
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Nearly all life on Earth passes on its heredity using
A) lipids B) RNA C) DNA D) proteins
Physics & Space Science
What were the two primary courses of heating that let the Earth differentiate?
What will be an ideal response?
Physics & Space Science
The Sun will finally become a
a. brown dwarf. b. neutron star. c. black hole. d. white dwarf.
Physics & Space Science
A string with a fixed frequency vibrator at one end is subjected to varying tensions. When the tension is 20 N, a resonance with 3 antinodes results. What tension would cause a resonance with 2 antinodes in this string?
a. 30 N b. 45 N c. 80 N d. 8.9 N e. 13 N
Physics & Space Science