The frequency of a sound wave determines which of the following? A
its amplitude
B
its speed
с
its pitch
D
its loudness

Dwarf galaxies are select one: a. relatively rare. b. not very bright c. mostly spiral shaped. d. none of these.

Acommon kind of mechanical weathering is called

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?