by Professor G. P. Wells, F.R.S.
Life on our planet began in the sea and we still carry around, in the plasma of our blood, a salt solution which is a modified form of seawater -the ancestral home of living cells.
for Schools
(to 11.55)
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by Professor G. P. Wells, F.R.S.
Life on our planet began in the sea and we still carry around, in the plasma of our blood, a salt solution which is a modified form of seawater -the ancestral home of living cells.
for Schools
(to 11.55)