Balanceo de k20 + H3BO3​

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough