Which of the earth's changes can be explained by plate tectonics? earthquakes erosion mountain ranges ocean trenches volcanoes wind weathering

In what way does renewable energy differ form nonrenewable energy?

Which outcome is not caused by gravitational forcea. gas and dust come together to form a planet b. planets orbit a star c. two atoms come together to form a molecule d. stars cluster to form a galaxy

The plants growing on scotlands highland moors are a)mixed forestb)grasses and low shrubsc)evergreen treesd)palm trees and ferns