<span>Main sources of tin come from China, Indonesia, and Peru
Whilst lesser sources include Brazil, Bolivia, Australia,
There are a dozen more countries though</span>
Answer:
In my opinion I think that's it's number 4
According to the Wikipedia, more than 75% of the worlds most active volcanoes occur on the Ring of Fire.
About 81% - 90% of the words largest earthquakes also occur on the Ring of Fire.
Answer:
20 miles, this is just me rounding around where it would be.
Explanation:
Answer:
2.62 years
Explanation:
The half life of a material is the time taken for half of the number of radioactive atoms in a radioactive material to remain.
If a radioactive material is cut into pieces, each piece has the same half life as the whole material.
Hence, if Strontium-147 is cut into pieces, each piece will have a half life of 2.62 years, just as the whole material.