The science class built a robot that travels 5 m north in 10 s. what is the robots average velocity?
a. 0.5 m/s
b. 0.5 m/s north
c. 2 m/s
d. 50 s/m north

Australopithecus robustus was likely the longest-surviving species of australopithecine in south africa. it had: a. large molars, a big face, and a sagittal crest. b. a large body, large teeth, and a sagittal crest. c. a big brain, big teeth, and a big face. d. a big face, large teeth, and a large body