Dark spots on the photosphere are known as
a. the corona.
b. the chromosphere.
c. sunspots.
d. solar wind.

By the triangle inequality theorem, if two sides of a triangle have lengths of 3 and 7, what are all the possible lengths of the third side? a) 3 < x < 8 b) 3 < x < 7 c) 4 < x < 10 d) 5 < x < 7

Which region was the hearth for the largest number of agricultural animals such as pigs sheep and cows

Which statement about this figure is false