Which figure has the same order of rotational symmetry as a rectangle? isosceles trapezoid
regular octagon
square
rhombus

Acanyon on the ocean floor at which the crust bends downward is called a(n)

Which water sources contribute to a river system? check all that apply. groundwater lakes rivers streams watersheds

Which of these is most likely a characteristic of a non-radioactive daughter isotope after it is form from the parent isotope ? a. stable electrons b. stable nucleus c. positively charged atom d. negatively charged ion