If two stars had equal absolute brightness, what else would most likely be equal? O energy
O distance from Earth
O apparent magnitude
o chemical composition
help please time timed

The density of a planet is 0.69 g/cm3 (density of water is 1.0 g/cm3). which of the following planets might this be? a. mercury b. venus c. saturn d. mars

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Which change to the system wood cause the freely-moving piston to lower?