Answer : scientists determine the absolute age of a rock in millions of years before present rather than just the age of the rock relative to the rock units around it. This information helps geologists develop more precise geological history models for the rocks and regions they study.
Explanation:
The answer is (b.) the first gulf war
The first gulf war is between the coalition forces led by the US against Iraq. It is also know as Persian gulf war, Kuwait war, first Iraq war, or Iraq war. It started on August 2, 1990 and ended on February 28, 1991. While the six-day war is the conflict between Israel and Egypt in 1967 and Yom Kippur War in 1973.
Answer:
The Great Basin
Explanation:
The desert area in the center of the Cordillera in the United States is called the Great Basin.
- The Great Basin is located between the Rocky mountains and the Coastal plains.
- This region is bowl shaped depression between the topographic features.
- The mountains prevents precipitation from forming in this excluded region.
The astronomical event that represents the great serpent mound is Halley's Comet.