What extrusive igneous rock type cooled so quickly that visible crystal grains never grew, and the rock is composed entirely of black silicate glass that easily shatters into sharp, knife-like shards?

(A) Obsidian

(B) Pumice

(C) Scoria

(D) Tuff

The Tuna Dolphin Case was AT. A Greenpeace campaign to stop American fishers from killing dolphins while harvesting tuna. B. A case that ignited protest at the World Trade Organization meeting in Seattle in 1999.

How does landfills pollute soil and water

Multiple choice : Normally, air pollution episodes are most severe when a) the country breeze is weak b) a storm system is developing west of the area c) a cold upper-level low moves over the area d) a deep high-pressure area stagnates over the area

Describe how Charlemagne was able to Christianize all of Western and Central Europe. What empire did he create?

In what direction does latitude go? North to South OR east to West

Square root of 55+67

How to slove this promble 10n+12=14n-12

How was information passed down between generations of Mayans? Question 19 options: detailed hieroglyphic writing system traditional story telling elaborate dance rituals pyramids and sculptures

Which term describes the rising of cold water from deeper layers to replace warmer surface water?

5 3/8 + (6 3/4 - 4 1/8)