The movement of the tectonic plates is caused by
a) convection currents in earth's mantle.
b) the gravity of the iron-nickel core.
c) the rotation of the earth.
d) the moho discontinuity.

What does all of the organ system in a human form

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land