The contractions are triggered by the hormone oxytocin
D - spine alignment and foot size.
Late australopiths had an S-shaped spine that allowed for balance when standing. Shorter and less flexible toes made pushing off the ground much easier.
<span>D. It inadvertently united people there to oppose foreign domination
Imperialism gave to the concept of nationalism among its colonies. Revolutions have already started against foreign domination during that time.</span>
Answer:
using the scientific method
Answer:
unicellular organisms: diatom, E. coli...
Explanation:
