Answer:
A. Obsidian
Explanation:
It fits the property described in the question.
It cools so fast that no visible crystal or grain could form. It has high silica Composition, black and glassy. It is also used to make tools with sharp edges
Answer:
Explanation
When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides — both commonly called spring tides. ... A similar situation occurs between the Earth and the sun.
Answer:
DHS headquarters in Washington D.C. St. Elizabeths West Campus, Washington, D.C., U.S.
Subsidiary: Federal Emergency Management ...
Jurisdiction: United States
Explanation:
Answer:
measures less than 90 degrees
Explanation:
The Atlantic Ocean is the correct answer for this equation