The graph shows an approximation of the predicted life expectancy of a main sequence star based on its mass. Our Sun is a main sequence star with a mass of approximately 1.9 x 1030 kilograms.
Current estimates put its age at around 4 billion years. Which of the following is the most reasonable
prediction of how many more years our Sun will last

What was photo 51 with rosalind franklin?

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.

How far down have geologists drilled holes ? (science) a: 3.8 km b: 12 km c: 100 m d: 1200 km