Aproperty that describes how easily a substance undergoes chemical changes

Aregular polygon has angkes of size 150° each. how many side has the polygon

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?

Which of the following best describes the circuit shown below?