In the lower right part of the map, what is the relative age of the bright red rock layer compared with the pale green layer? Note that the thin blue line running through the red layer represents the Colorado River, which flows through the bottom of the Grand Canyon.

Answers

Answer 1

Answer:

515 million years.

Explanation:

The grand canyon is one of the most complex rocks structures on earth with about 40 main sedimentary rocks layers combined and is 200 million to 2 billion years old. The canyon is formed by the three sets of rocks as Vishnu basement rocks that includes the shists, granite. The grand canyon superimposed rocks like the chuar group, under group. The pale green rocks are relatively 515 years old in the Cambrian rock formations. And the red rocks are the Permian rocks formation of 340 million years. Thus the younger rocks are at the top and older green at the bottom.

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Based on graph 1 do you think the changes in solar intensity are a significant cause of the trend in global Temperatures why or why not

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Changes in solar intensity do not seem to contribute to the change in global temperatures. If they did, the temperatures would rise and fall with the Sun’s energy. Instead, the global temperatures continue to rise despite the Sun’s natural fluctuations.

Changes in solar intensity do not seem to contribute to the change in global temperatures. If they did, the temperatures would rise and fall with the Sun's energy. Instead, global temperatures continue to rise despite the Sun's natural fluctuations.

What is the global temperature record?

The global temperature record shows the fluctuations in the temperature of the atmosphere and the oceans through various periods. There are numerous estimates of temperatures since the end of the Pleistocene glaciation, particularly during the current Holocene epoch.

Some temperature information is available through geologic evidence, going back millions of years. More recently, information from ice cores covers the period from 800,000 years before the present time until now. A study of the paleoclimate covers the period from 12,000 years ago to the present. Tree rings and measurements from ice cores can give evidence about the global temperature from 1,000-2,000 years before the present until now.

The most detailed information exists since 1850 when methodical thermometer-based records began.

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Limestone is formed primarily through ________. chemical interactions between ocean bottom sediments and ions in sea water direct precipitation from seawater biochemical sediments secreted by marine organisms evaporation of calcite rich seawater

Answers

Answer: Limestone is a carbonate sedimentary rock that is often composed of the skeletal fragments of marine organisms such as coral, foraminifera, and molluscs. Its major materials are the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO3).

Explanation:

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