A block of wood has A mass of 200g give the mass in kg showing long conversion
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Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

Apropagating wave in space with electric and magnetic components. these components oscillate at right angles to each other. it may travel in a vacuum. determine the term.

The ability to make things happen is also called a. heat b. force c. matter d. energy