If you were looking at. unicelluar organism with a microscope, would you be looking at a prokaryotic o eukaryotic organism. how do you know ?

Apush or pull that moves or changes and object when to objects touch

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?