<span>This was a quote from Peter Medawar. The British biologist was instrumental in the discovery of acquired immune tolerance, which has been the bedrock of the ability for patients to receive organ transplants. He was also one of the first to describe the evolutionary mechanisms behind senescence, or the decline of physical abilities that accompany the ageing process.</span>
Answer:
slavery first began in 1776
The river Nile
the amazon river
the river Ganges
the river Thames
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5 <span>adolescent girls is affected by clinical depression.</span>
