6. A laboratory technique that separates mixtures is called
a. Microscopy
c. Sociology
b. Chromatography
d. Scientology

When analyzing tree rings, what do scientists assume a thin ring indicates?

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

In which part of the body is a ball-and-socket joint found?