the hardness of a unknown mineral can be found by

A) subjecting it to a strength test

B) calculating its density

C) comparing it to the other known samples using a scratch test

D) grinding it on a streak plate

How did the Great Migration affect the South

How was everyones day? Is anyone still in school?

The state providing the majority of potatoes to the American diet

If a dinosaur once lived in mexico and you now live in arkansas could you still be drinking the same water as a dinosaur did?

Simplify: 4f - 15s + 16f - 20 + 17 - 12f

What river cuts through this service European countries including Germany and Austria

Why did the first fleet take the shorter route along the entire west coast of africa?

Briefly describe what Charles Darwin observed about the finches on the Galapagos island?

In what two ways does the El Niño wind pattern affect human habitation? It creates fertile deltas that humans can inhabit. It brings warm temperatures to the eastern Pacific. It causes violent and life-threatening volcanic eruptions.

In what ways can erosion be both beneficial and harmful to agricultural communities