Geologic evidence shows that earth's tectonic plates can move thousands of kilometers across the earth's surface. these movements a. do not change the earth's surface at all. b. occur gradually over millions of years. c. occur due to human activity. d. occur in one sudden movement.

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Which statement best describes the function of enzymes?