What is the volume of the rectangular prism of 6cm 9cm and 5cm

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?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?