Which of the following best describes a process of erosion?

A.
Rocks along the coast are broken up by waves crashing into the shore.
B.
Mud, silt, sand, and pebbles are carried across the region by running water.
C.
Glaciers wear down and smooth rock as they slide across it.
D.
The wind lays down sediment to form small hills called dunes.

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

Which description best characterizes the motion of particles in a solid?