Can someone give me some examples of landforms?? Pls

What notable contributions to science has sandia national labs (snl) produced over the years?

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.

Which diagram most accurately explains changes in media over time