The law of conservation of matter states that matter can be neither created nor destroyed. It can, however, be recycled. Earth's crust is recycled by the interactions of
tectonic plates and convection in the mantle. Describe the role of plate tectonics in
the conservation of matter on Earth.

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Which statement about covalent bonds is true

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.