Which type of mixture is likely to separate if it is allowed to sit still?

A. Colloid

B. Solution

C. Alloy

D. Suspension

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

What is a number added in front of a formula in order to balance the equation

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth