Identify two possible reasons for unemployment and explain
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Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

Which composition of water moves to begin a deepwater current?