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The oldest rocks on the surface of the Earth today date to approximately 4.2 billion years ago. The Earth and the solar system formed approximately 4.6 billion years ago. How is it possible to date the planet's formation earlier than any of the rocks that are accessible on the surface for analysis? Select the best answer.
It is a complex calculation based on the average estimated lifespan of all of the recorded historical figures in the Old Testament -- essentially a scientific extrapolation of the begats and begots.
Rocks just below the surface have been dated to 4.6 billion years.
Meteorites -- they date to 4.6 billion years ago and formed when the rest of the solar system formed.
We always add 400 million years to everything to account for a large margin of error when dealing with big numbers.
Tree rings -- we count the annual growth of extremely ancient trees to arrive at this number.
For each of the tubing pieces, identify whether the solution inside was hypotonic, hypertonic, or isotonic in comparison to the beaker solution in which it was placed. Which tubing increased the most in volume? Explain why this happened
Building off of topic that you selected and continue to work. The topic is Effects of Back squat vs. front squat on vertical jump performance.
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The amount of time required for 50% of a radioactive isotope to decay is?
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Once a cell completes mitosis, molecular division triggers must be turned off. What happens to MPF during mitosis? A. Cyclin is degraded; the concentration of cyclin-dependent kinase remains unchanged, but without cyclin, MPF is not formed. B. It ..
Which of the statements regarding cellular respiration and photosynthesis is false? Select one: Cellular respiration and photosynthesis are chemically reverse reactions, but they use different pathways.
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