Which of these is the best method to measure the distance of a star
calculate the variations i...
Biology, 25.09.2019 16:00 andrespeerman
Which of these is the best method to measure the distance of a star
calculate the variations in the position of the star due to movement of earth in its orbit
measure the red shift of emitted light and use it in calculations
use doppler effect to calculate the shift in light traveling from star to earth in summer
use doppler effect to calculate the shift in light traveling from star to earth in winter
Answers: 1
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The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?
Answers: 1
Biology, 22.06.2019 06:30
In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power
Answers: 1
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Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4
Answers: 3
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Coral have a symbiotic relationship with what in order to eat?
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