A line of shallow earthquakes with little or no volcanism is likely evidence of what type of plate boundary?

 The observation that “23% of the sandstone is composed of the mineral quartz” is best characterized as a ________ observation.

If you find a rock with distinct foliation, how was this rock metamorphosed? 

What percent of the additional heat caused by human activities is being absorbed by the oceans?

Which of these would likely produce the most reliable absolute age of its formation from radiometric dating techniques? 

Why do scientists prefer quantitative data?

Which plate boundary has the largest and deepest earthquakes?

How can you easily distinguish between quartzite and marble using only what you normally carry with you on a hike? 

Which of these faults is caused by strong compressional forces?

 What are geologic cross sections designed to show?