I have no clue but I’m only saying this rn so that I can ask for help bc I’m so mad abt it rn
By studying seismic waves
Answer:
3 half live have passed.
Explanation:
After 1 half-life , 500 g of the parent isotope will remain. After 2 half-lives , 250 g of the parent isotope will remain. After 3 half-lives , 125 g of the parent isotope will remain.
The type of air mass produces cold dry air is the continental polar air mass
<h3>What are continental polar air mass?</h3>
Continental polar air mass are the masses that are known for the coldness or dryness due to the region of the continental source.
These continental polar airmass is the one that produced cold dry air developing over the northern Canada.
Learn more continental polar air mass here: brainly.com/question/26281172
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Answer:
Formation. When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Like its fellow terrestrial planets, Earth has a central core, a rocky mantle and a solid crust
Explanation:
