The two elements discovered by marie cutie are and
-uranium
-curium
-radium
-polonium

Which feature indicates that mars resides in the inner region of the solar system

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

The pressure proportional to the area a- inversely b- directly c- increase d-decrease