Early explorers used astrolabes to determine location according to a. the location of the sun b. the positions of the stars c. the direction of the wind’s movement d. the distance from the horizon

What is the approximate circumference of the circle shown below? 12.2 cm

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.

Which layer surrounds the center of the earth? a: crust b: core c: mantle