estimations cuz that's way to much work
Both Radioactive dating of rocks retrieved from the world and Comparing cratering rates on one world to those on another.
Geologists can find the relative age of impact craters on a world because
the ones on top must be younger.
Scientists know the history of Earth's magnetic field because the magnetic field gets frozen into rocks, and plate tectonics spreads them out.
Hope it helps
One truth about the Education system in India is D. Better education has helped provide women with job opportunities.
<h3>What has education done in India?</h3>
Education in India was recognized as a fundamental right which allowed women to access it in the generally traditional society.
As a result, women have been able to access job opportunities thanks to the skills they picked up from education.
Find out more on education's importance at brainly.com/question/24374672
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Alaska is the biggest in terms of sq miles
