Whats the shape of an organism preserved in rock called A.) a mold
B.) a cast
C.) an imprint
D.) petrifican

How does the release of trapped gases in magma cause a volcano to erupt? a. they push the magma up the pipe and then are reabsorbed into the magma chamber. b. they cause the magma to change chemically into lava. c. the gases form vents that allow the magma to flow out. d. the gases rush out and carry the magma with them.

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist