Question

Which of the following is true? 1 punto The oldest rock is placed near the soar or mountain edges Rock age can be determined by breaking and sorting its mineral. Rock age can be determined by looking at its color, from dark to light The oldest rock is located at the bottom and the youngest are located at the top

Answer 1

Explanation:

The oldest geological material ever found, which are not technically rocks, are mineral grains called zircons found in Western Australia, which date back about 4.36 billion years.

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Answer 2

The correct option is- The oldest rock is located at the bottom and the youngest are located at the top.

• The rocks that are found farther from the Earth's surface was formed first and hence, are the oldest rocks while the rocks that are found near the Earth's surface are formed recently and hence, are the youngest rocks. This is the law of superposition according to which sedimentary rocks are the oldest rocks.
• Radiometric dating is the most useful technique to determine the age of rocks that was formed several thousand years ago.