Please capitalize where necessary: during his studies of fossils as an assistant of the danish palaeontologist p.w. lund in brazil in periods during the 1840s and 1850s, reinhardt became familiar with the vast amount of extinct species and this made him critical of georges cuvier's antievolutionary catastrophism.
A: During his studies of fossils as an assistant of the Danish palaeontologist P.W. Lund in Brazil in periods during the 1840s and 1850s, Reinhardt became familiar with the vast amount of extinct species and this made him critical of Georges Cuvier's antievolutionary catastrophism.

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Problem: if there is no gas at the measured point, the signal is not carried further and no echo occurs.
Can you repeat this sentence, but capitalize it?
Answer: If there is no gas at the measured point, the signal is not carried further and no echo occurs.

Text: they were married on september 21, 1850 in plovstrup, jernved, denmark.

Correct capitalization: They were married on September 21, 1850 in Plovstrup, Jernved, Denmark.

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