The height of a sound wave is called
a. amplitude
b. altitude
c. attitude
d. atmosphere

Which would be the most useful source of evidence to support mcneill's contention?

2polnis which of the following is an advantage of an in vitro experiment?me

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different