Countries trade with other nations to get the resources they need.

True or False

The series of transgressions and regressions that produce cyclothems were likely produced by

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.

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.