Which property can be observed just by looking at a mineral?

-luster

-streak

-hardness

-reactivity to acid

What process causes stress in Earth's crust?

How did the Cuyahoga River influence the US environmental movement? A. The Cuyahoga River Cleanup Project was the first successful attempt to clean up the nation's waterways. B.

How are relationships within ecosystems connected to relationships within and around the Earth? What impact is Glacier melting having on our planet?

The boundary between the Piedmont and the Coastal Plain is known as the A) foothills. B) fall line. C) mineral pond. D) barrier islands.

Canada is bordered to the east by the Atlantic Ocean, which is shown by the number A) 1 B) 2 C) 3 D) 4

What is the difference between density and distribution

What structure is present in dolphin but absent or greatly reduced in other whales?

Which type of rock was precipitated from seawater as the mediterranean sea evaported between 8 million years ago and 5.5 million years ago

Why is climate change a big problem?

Sedimentary rock is the most common material in the Earth's Crust. True False