Four forces see exerted on each of the two objects shown below: Which object will move in the up direction?
A. Object A but not Object B
B. Object B but not Object A
C. Both Object A and Object B
D. Neither Object A nor Object B

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl