Is the pelvic girdle part of the axial or appendicular skeletal system?

What is the next step in muscle contraction after the actin changes shape? (apex)

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates