1)  The produced energy of solar heater is a) Thermal b) kinetic c) solar 2) From the renewable resource of energy is a) Water b) Coal c) oil 3) The oldest fuel in the world is a) Coal b) wood c) oil 4) The energy in the food is a) Electrical b) Chemical c) Kinetic 5) Is the breaking down of rock into smaller parts a) weathering b) Erosion c) deposition

grade 4

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