A nearsighted person has a near point of 20 cm and a far point of 45 cm . When he is wearing glasses to correct his distant vision, what is his near point?

The softest and hardest minerals are: softest hardest

What is the relationship between the direction of motion of the balloon and the wind currents

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit