A scientist is using potassium-40, which is a radioactive isotope of potassium, to find the absolute age of a fossil by radiometric dating. The scientist determines that about three-fourths of the original potassium-40 atoms in the fossil now remain in the fossil. What additional information is necessary for the scientist to determine the absolute age of the fossil?
A. the half-life of potassium-40
B. the identity of an index fossil
C. the atomic mass of potassium-40
D. the total mass of the fossil
Answers: 2
Another question on Biology
Biology, 22.06.2019 10:00
How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground
Answers: 2
Biology, 22.06.2019 12:00
If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6
Answers: 1
Biology, 22.06.2019 14:00
Which material is commonly used as a culture medium for living cells
Answers: 2
You know the right answer?
A scientist is using potassium-40, which is a radioactive isotope of potassium, to find the absolute...
Questions
History, 27.06.2019 23:30
History, 27.06.2019 23:30
Mathematics, 27.06.2019 23:30
English, 27.06.2019 23:30
Biology, 27.06.2019 23:30
Mathematics, 27.06.2019 23:30
Social Studies, 27.06.2019 23:30
Spanish, 27.06.2019 23:30
History, 27.06.2019 23:30
History, 27.06.2019 23:30
Mathematics, 27.06.2019 23:30
