The direction of heat flow between two objects depends on the amount of internal energy each of the objects has
Indicate whether the statement is true or false
FALSE
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Common drainage networks include the
A) rectangular and divide drainage patterns. B) radiating and undulating drainage patterns. C) dentritic, radial, and trellis drainage patterns. D) trellis, subsident, and perched drainage patterns.
How is the presence of space debris accounted for by solar system models?
a. Space debris is left over material from the early solar system that never formed into a planet. b. Space debris was formed by the collision of objects after the planets formed. c. Space debris is material that existed in our region of space before the sun formed. d. Both a and b e. All of the above
Which of the following is most nearly the same as a gamma ray?
A) an alpha particle B) a beta ray C) visible light D) a proton E) a neutron
The atomic bomb that was dropped on Nagasaki in 1945 killed 140,000 people, helping to end World War II on the next day. It released energy equivalent to that of 20,000 tons of TNT explosive
How much mass was converted to energy when this took place? (1000 tons of TNT = 4.3 × 1012 J) Incidentally, modern H-bombs have energy yields 1000 times as much! A) 1 g B) 10 g C) 100 g D) 1 kg E) 10 kg