Flatworms and roundworms both a. have a coelom. b. are symmetrical. c. can be parasitic. d. live in intestines.

How are extrusive rocks formed? magma gets trapped inside earth and cools to rock. volcanoes apply force to solid rocks and eject them. magma gets forced to earth’s surface and cools to rock. volcanoes trap lava inside earth, where it cools to rock.

What organ systems are working to you cool down after a workout?

What materials must dams have to produce electricity, and what must occur?