If anyone wants to join a desert game on kahoot the code is 3107002 Use ur user as the nickname pls!

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

Which metal exist in liquid state and can be cut with knife ?