What makes a triangle similar? A :Congruent angles and not proportional sides.
B: Congruent angles and proportional sides.
C :Not congruent angles.
D :They have to be the exact
same size.

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

What is the mass of 4 molecules of co2

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this