As more bulbs are added to a series circuit what happens to the resistance of the circuit

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?