Amanometer uses kerosene, sp gr 0.82, as the fluid. a reading of 15 cm on the manometer is equivalent to how many in of mercury?

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?

What is a carrier wave and how does it affect what you hear on the radio

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly