find the area of aquare based pyramid in which the area of base is 48.5 cm and area of each traiangular face is 24.5 cm

Name the element in group 17, period 2. (periodic table)

Which property of water causes water drops to bead on a freshly waxed car?

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.