Hinge joints allow bones to move . (a)back and forth
(b)across each other
(c)in all directions
(d)In a circle

List the 4 steps for scene assessment (what you do at the very beginning) for an adult

True or false a fertilized cell divides many times to form an embryo

Sanjay weighs 185 pounds. at the shopping mall, sanjay can use the stairs or take the escalator. in 30 minutes, how many more calories could sanjay burn by climbing stairs than by standing on an escalator? which activities did you choose from the list to arrive at your answer?