Which of these star clusters is oldest? a. a cluster whose brightest main-sequence stars are white b. a cluster whose brightest main-sequence stars are yellow c. a cluster containing stars of all colors

F  you double the  force, you double the acceleration, but  if  you double the  mass, you velocity. all bodies accelerate at the  same  rate regardless of size or  mass.

120v is the answer i am positive tell me if this was correct

The cell reaction uses external supplies of a full and an oxidant, which are consumed and needs to be provided continuously. the cell will continue to provide electrical energy so long as there is a supply of fuel and oxidant.  hope this ! (:  

English version