Physics, 20.12.2019 05:31 727

One star has a mass slightly more than the mass of the sun. which of these graphs would best model and predict the lifetime of the star on the main sequence?

a) a graph comparing stellar mass (x-axis) and main sequence lifetime (y-axis). the line graph shows a steep decrease in stellar mass from left to right.

b) a graph comparing stellar mass (axis) and main sequence lifetime (y-axis). the line graph shows a steep increase in stellar mass from left to right.

c) a graph comparing stellar mass (axis) and main sequence lifetime (y-axis). the curve shows a steep increase, then a decrease in stellar mass from left to right, peaking at the half-way mark.

d) a graph comparing stellar mass (axis) and main sequence lifetime (y-axis). the curve shows a steep decrease, then a increase in stellar mass from left to right, showing the lowest point at the half-way mark.

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