Geology half life questions
3. Zircon crystals in the Igneous Sill have a ratio of 91.7% Uranium-238 to 8.3% Lead-206. (1 point)
What is the age of the Igneous Sill?
5. A lava flow within the Nankoweap Group has a ratio of ratio of 50% Potassium-40 to 50% Argon-40. What is the age of the Nankoweap? (1 point)
Answers: 3
Chemistry, 21.06.2019 21:00
Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle
Answers: 1
Chemistry, 21.06.2019 22:10
What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance
Answers: 2
Chemistry, 22.06.2019 11:00
Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that canβt be observed.
Answers: 1
Chemistry, 22.06.2019 13:30
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
Geology half life questions
3. Zircon crystals in the Igneous Sill have a ratio of 91.7% Urani...
3. Zircon crystals in the Igneous Sill have a ratio of 91.7% Urani...
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