Wildfires: a) are damaging for natural environments. b) release nutrient minerals that were locked in dry organic material. c) encourage the growth of shade-resistant plants. d) result in the destruction of the underground stems and buds of grasses. e) All of the above

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.