If a substance can be separated by physical means and it is not the same through, what is it?
a) element
b)compound
c)homogeneous solution
d)heterogeneous solution

Which of the following is a homogenous mixture? o a. a toy box filled with toys o b. blood o c. trail mix o d. spaghetti and meatballs submit

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

The strong nuclear force acts over a small distance than the electrostatic force. true or false