Alana drew a diagram to compare the life cycles of low-mass and high-mass stars. which labels belong in the areas marked x, y, and z? a.) x: nuclear fusion forms hydrogen in the main sequence star. y: a white dwarf is part of the cycle. z: a supernova is part of the cycle. b.) x: a white dwarf is part of the cycle. y: nuclear fusion forms hydrogen in the main sequence star. z: a supernova is part of the cycle. c.) x: a protostar is part of the cycle. y: it begins in a nebula. z: nuclear fusion forms hydrogen in the main sequence star. d.) x: it begins in a nebula. y: nuclear fusion forms hydrogen in the main sequence star. z: a protostar is part of the cycle.
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Physics, 22.06.2019 12:00
Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?
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What is the role of the water cycle in maintaining freshwater levels in lake and rivers?
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Physics, 23.06.2019 03:30
Astudent pushes a 40-n block across the floor for a distance of 10 m. how much work was applied to move the block? a. 4 j b. 40 j c. 400 j d. 4000 j
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Alana drew a diagram to compare the life cycles of low-mass and high-mass stars. which labels belong...
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