A string of length 36cm is clamped at both ends. Which of the followings is not a possible wave length of a standing wave on this string? a. 72cm
b. 48cm
c. 36cm
d. 24cm

How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.

Which governments provide garbage collection services to homes and businesses

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)