Relative-Age Dating Absolute-Age Dating Younger 440 mya 480 mya 520 mya 545 mya Older 2. The dates shown in the diagram above refer to the ages of, SC.7.L.15.1 A original material. B. trace fossils. igneous rock layers. D sedimentary rock layers.

Q: 1. Which statement is NOT a principle or relative-age dating? sc.7.E.6.3 A Layers of sediment are…

A: Relative dating is the procedure that is performed for finding out the age of a particular object by…

Q: s constant e.g. half of the remaining Carbon-14 breaks down every 5730 years. Use th nd compute the…

A: Carbon 14 is used for detecting the age of fossils by the process of carbon dating. Carbon-14 is…

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A: The structure of the earth is divided into four major components: the crust, the mantle, the outer…

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A: The geological time scale helps in determining the age of the earth and the time zone under which a…

Q: Carbon-14 dating works for fossils up to about 75,000 years old;fossils older than that contain too…

A: Radiocarbon dating is a method which will help us estimate the age of objective for carbon based…

Q: 41. Below is a list of major events that occurred in the history of life. Write the letter…

A: The history of life traces the events that occurred in the formation of organisms on the earth. It…

Q: Which of the following techniques examines the decay of carbo an object? O A. Radiometric dating O…

A: For the determination of the age of living or nonliving materials the scientist usually determined…

Q: Which statement accurately describes the geologic The diagram shows cross-cutting relationships…

A: Cross-cutting relationships are when a geologic feature like igneous intrusion breaks other…

Q: What is examined to do relative dating? O A. Layers of sediment O B. Uranium deposits O c. Carbon-14…

A: Answer- Relative dating is the process by which layers of sediments including fossils are studied to…

Q: Radiometric decay of carbon-14 would be used in dating sedimentary rock. a trace fossil. an insect…

A: Radiometric decay is a method dating substances of possible majority of organic content. Principle:…

Q: Question: Which of the following puts the events in the history of life in the correct order?

A: Extinction  The process in which particular organism disappear from the earth and nowhere to be…

Q: One benefit of the fossil record isa. that hard parts of bodies are more likely to fossilize.b. that…

A: Fossils are remains of organisms from the past that have been preserved in the different layers of…

Q: 19. When a radio-isotope in a fossil with a half-life of 3,000 years has been reduced to 1/8th of…

A: On completion of each half life  the  amount of the substance reduces to half of its initial value.…

Q: The 6th (Holocene) mass extinction is mostly the result of human activities. O True O False

A: Mass extinction refers to the loss of biodiversity on a large scale due to massive extinction of…

Q: : 2. The Cambrian Explosion (approximately 550 mya to 450 mya) was a time of rapid diversification…

A: The Cambrian explosion or "Cambrian radiation" was an event that occurred approximately 541 million…

Q: Martian meteorites found in Antarctica were determined to possibly contain life. Scientists looked…

A: Known as ALH 84001, the Martian rock whose remains were present in meteorites contained structures…

Q: Fossils are remains of ancient organisms found in the rocks are categorized depending on their age.…

A: The remnants and evidence of ancient species are known as fossils. The preserved remnants or traces…

Q: radiometric dating

A: two isotopes of uranium are used for radiometric dating . uranium -238 decays to form lead -206 with…

Q: What argument convinced most scientists in the 1800s that Earth was more than 6,000 years old? O The…

A: Introduction All life on earth began from the universal last common ancestor which lived 3 to 4…

Q: “Life has profoundly changed the Earth.” Explain whether or notthese experimental results support…

A: The earth was formed about 4,570 million years ago and over the passage of time, different…

Q: The most useful method for dating ancient calcium rich cave deposits would be Group of answer…

A: Answer :- Option (D) is correct. - Uranium-Thorium Dating.

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A: To explain: The reason why only few remaining samples of these early rocks still remain on the…

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A: Certain minerals may be smelted more easily than others, and these are known as ore minerals.…

Q: what element rise that caused the diversification event in evolution of earth

A: Introduction : The rise in oxygen, which is termed the Great Oxygenation Event is an important event…

Q: The ends of many eras and periods in the geologic time scale are characterized by (1). These events…

A: My extinction is defined as the disappearance of species faster than they can be replaced by the…

Q: 29) The Cretaceous extinction. which was the most recent mass extinction, occurred about 65.5…

A: Natural selection, or evolution, is the process by which a species' features evolve over a number of…

Q: Which of the following is not thought to have been a source of organic molecules on early Earth?* O…

A: Cosmic dust

Q: Radiometric dating does not measure the age of an individual atom. It is a measure of the age of a…

A: The technique, that is used to determine the age of materials or date materials. This technique…

Q: Which of the following has not been a major objective of Marsexploration?a. to analyze elements in…

A: Mars exploration is done by NASA to find the prospects of life on Mars.

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A: Geological time scale is a evolutionary event  which determines how the life appear , its…

Q: Use the following figure to answer questions 2 and 3. mya - million years ago 1,400 mya -1 bilkan…

A: Earth was formed in our solar system along with other planets, and its age is about one third of…

Q: Radiometric dating ... Group of answer choices A: is based on the scientific observation that…

A: Answer  E) all of these answers are true

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A: A sample-return mission is a spacecraft mission that collects and returns samples to Earth for study…

Q: Radioisotopes are useful in dating fossils and rocks because

A: Fossils  They are remains of animals which are preserved in ice or in deep underground or inside…

Q: The largest mass extinction on record is the mass extinction event. O Late Permian O Late…

A: According to law of superposition within a sequence of layer of sedimentary rock the oldest layer is…

Q: Which of the following do not provide evidence that a meteor strike was a partial cause of the…

A: About 65.5 million  years ago KT extinction event occurred which wiped off the dinosaurs from the…

Q: Researchers looking for fossils of the earliest life forms face many hurdles. For example, few…

A: Fossils  Fossils are the imprint or undecayed part of dead organism or some parts of dead organism…

Q: Radiometric dating _______. has a substantial error factor can only be used for dating animal…

A: Radiometric dating is a method of dating geological specimens by determining the relative…

Q: Trilobite fOS the P-T extinction. They are not fou 12. Explain one inference you can make about…

A: The fossil records demonstrate the geologic time periods. The image shows the cliff in Palo Duro…

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A: The formation of earth is a question mark under the scientific world. Various theories were…

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Q: Radiometric dating ... All of these answers are true O provides an accurate means of determining the…

A: Radiometric dating  Technique used to date materials such as rocks by observing the abundance of…

Q: 3. You are surveying an area's rock layers using absolute dating. You have an element whose…

A: Several dating methods are used to find the age of rocks and fossils. The methods include…

Q: Describe the conditions on Earth 4.5 billion years ago

A: Evolution is the process of slow gradual change over a period of time. The process of evolution…

Q: Describe the evidence for the cause of the Cretaceous–Paleogene (K–Pg) mass extinction.

A: the K–Pg extinction was caused by the impact of a massive comet or asteroid 10 to 15 km (6 to 9 mi)…

Q: How can fossils be used to determine the relative ages of rock layers?

A: A fossil is any preserved remains of a once-living thing from a past geological age. Examples…