Answer:
Lacks died on August 8, 1951, of metastatic cervical cancer. Her tissue cells, however, attained immortality as HeLa, a cell strain that has been in constant use since 1951. These cells were remarkable in their ability to live and reproduce indefinitely, unlike typical cell lines that would last a few weeks, at best.
Explanation:
She was a sophisticated women and very well known to a lot of people because she was nice and was helpful to those around her.
Snow ,rock avalanches and frigid weather
Answer:
Greek democracy created at Athens was direct, rather than representative: any adult male citizen over the age of 20 could take part, and it was a duty to do so. The officials of the democracy were in part elected by the Assembly and in large part chosen by lottery in a process called sortition.
Explanation:
Answer:
It improved communication across longer distances.
Explanation:
