The correct answer is - A. A few centimeters a year.
Earth's crustal plates move very slowly, between 2 cm and 5 cm (depending on the plate) annually. This is the reason why it takes millions of years for them to significantly change their position, and with it the appearance of our planet. These crustal plates are slowly moving around the planet because they are powered by flow in the interior mantle.
True false question?
If so think its true
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A chromatid has something to do with chromosome
Steps of the Scientific Method
Make an Observation. Scientists are naturally curious about the world. ...
Form a Question. After making an interesting observation, a scientific mind itches to find out more about it. ...
Form a Hypothesis. ...
Conduct an Experiment. ...
Analyse the Data and Draw a Conclusion.
The answer is cellular aging theory. This theory focuses on the ways then that the molecules as well as the cells are being affected by aging and the passage of time. Aside from this theory there are 2 more theories of aging namely the genetic theory and the wear and tear.