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- Subject
- Biology Mcqsbiology-mcqs
- Published
- 11 May 2018
- Last updated
- 28 May 2026
Explanation
Radioactive dating works because radioactive isotopes decay over time. Consequently, older sediment layers contain fewer radioactive isotopes than younger ones, as more of the isotopes have decayed. This decrease allows scientists to estimate the age of the rocks by measuring the remaining isotope quantity.
More Biology Mcqs
Practice related questions from the same subject.
- 1.Which field of study focuses on the cultivation of crops and the management of soil?
- 2.What does pedology focus on studying?
- 3.What is another name for mitochondria?
- 4.Which field focuses on examining the interactions between antigens and antibodies present in the blood?
- 5.Which scientific discipline focuses on organizing and categorizing living organisms?
- 6.In the scientific name Homo sapiens, which two taxonomic categories are represented by the Latin terms?
- 7.Which virus is responsible for causing rabies?
- 8.Which of the following conditions is commonly associated with multiple opportunistic infections?