Sully works as a geologist in the southwestern united states. he plans to choose an unstable isotope to find the absolute age of a rock sample. which two aspects must he consider before making his choice? two answers 14 points 1 there should be a sufficient amount of the selected isotope in the rock. the isotope should be one that decays at a very fast rate. 2 the isotope must not be found in any neighboring rocks. 3 the half-life of the isotope must be long enough to capture the age of the rock. 4 there should be more than one unstable isotope in the rock.
Answers: 2
Biology, 21.06.2019 15:00, alondra314
Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above
Answers: 3
Biology, 22.06.2019 06:30, hellothere2458
What are examples of the plant life and animal life that can be found in each type of terrarium
Answers: 1
Biology, 22.06.2019 11:00, elpeke102p73fz3
Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations
Answers: 2
Sully works as a geologist in the southwestern united states. he plans to choose an unstable isotope...
Mathematics, 16.12.2021 01:30
English, 16.12.2021 01:30
Geography, 16.12.2021 01:30
Mathematics, 16.12.2021 01:30
Mathematics, 16.12.2021 01:30