It’s A
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These plates are called tectonic plates, when they slip past eachother they meet at an area called the boundary. When these plates meet they form a Tectonic Earthquake. I hope I helped :).
Answer:
The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration—eons, eras, periods, epochs, and ages.
The model of DNA is so important because DNA is pivotal to our growth, reproduction, and health. It contains the instructions necessary for your cells to produce proteins that affect many different processes and functions in your body. Because DNA is so important, damage or mutations can sometimes contribute to the development of disease.