Which of the following types of data provide evidence that helps us understand the life tracks of low- mass stars?
A)spacecraft observations of the Sun
B)H- R diagrams of open clusters
C)observing a low- mass star over many years
D)H- R diagrams of globular clusters

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The Answer of Which of the following types of data provide evidence that helps us understand the life tracks of low- mass stars?
A)spacecraft observations of the Sun
B)H- R diagrams of open clusters
C)observing a low- mass star over many years
D)H- R diagrams of globular clusters

Which of the Following Types of Data Provide Evidence That