. Which objects are luminescent?

a cell phone screen
a black ball
some jellyfish
a neon sign
a computer screen
some plankton
some dogs

How many moles of al3+ ions are in 1.25 moles of al2o3

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars

Which factors would have influenced earth’s climate during the time of pangea? check all that apply. land covered by glaciers one large landmass one large ocean tectonic activity multiple small seas