What type of bone is found mostly along the shaft of long bones? a. Marrow b. Compact c. Spongy d. Endosteum

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.