Which of the following best describes the amount of natural resources found here in the united states?
natural resources are found in abundance in the us.
coal is the only natural resource found in abundance in the us.

Drive down any three characteristic of modern periodic table

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

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