Streak i think you may want to wait for a better answer.
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.
1. They have provided jobs to South African people. With the entrance of the mining company to South Africa, the Africans were able to find a job in this company.
2. The Anglo-American provides health education to the people. In this way, they can control their population favorable for the country. They have prevented the rapid spread of AIDS which is very prevalent in South Africa.
3. They have provided education to the Africans. The education system was improved upon the entrance of Anglo-Americans.
4. T<span>hey have improved the production facilities of the Africans. They have introduced their methods of production to African people.</span>
<span>"Prime meridian" marks the beginning of longitude.And goes east and west around the equator with 180 (the middle) being in the middle of the ocean.</span>
