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When nuclear fusion begins, what can be said about the internal processes within that star? (2 points)

Use the HR diagram below to answer the question. What can be concluded about the initial mass of a blue main sequence star compared to a red main sequence star? (2 points)

Which of the following characteristics of stars is affected by a star’s temperature? (2 points)

Which of the following classifications of star temperature is coolest? (2 points)

Which of the following is the most likely end for a star that is small to average in size? (2 points)

A star has a spectrum shift exhibiting a blue shift. What can you conclude about the distance from Earth to that star? (2 points)

Which statement best explains the environmental drawback of using geothermal energy over energy generated by fossil fuels? (4 points)

The chart below shows the primary energy production method in two locations. Location Energy production method A burning of fossil fuels B geothermal energy If both the locations produce the same amount of energy, which of these statements is most likely correct about the two locations? (4 points)

A specific location in America produces electricity from fossil fuels and geothermal energy. The table below shows the amount of carbon dioxide in the atmosphere of the location from 1960 to 2000. Year 1960 1970 1980 1990 2000 Carbon dioxide concentration (in parts per million by volume) 317 325 339 318 328 Based on the table, which of these conclusions is most likely correct? (4 points)

Which statement best explains the economic drawback of using geothermal energy over energy generated by fossil fuels? (4 points)