Which physical property is observed if, when using a hand lens, you see tiny dots of black on a gray mineral? A. luster B. cleavage C. streak color D. color

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.