When a star starts with nuclear fussion, what is the composition of its core

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)

The process of predicting values that extend beyond the range of data points is called absolute value extrapolation interpolation prediction for any given: )

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance