question: each tiles is mined by hand, horisontally in open mines, assisted by the open gaps inbetween the layers which has been provided by nature itself.
Capitalize this past sentence correctly.
A: Each tiles is mined by hand, horisontally in open mines, assisted by the open gaps inbetween the layers which has been provided by nature itself.

question: it is regarded as easily digestible and as one of the proteins with the highest biological value because it contains all essential amino acids (complete amino acid profile).
Capitalize this past sentence correctly.
A: It is regarded as easily digestible and as one of the proteins with the highest biological value because it contains all essential amino acids (complete amino acid profile).

question: cartan was teaching at the university of strasbourg when world war ii started :
Capitalize this past sentence correctly.
A: Cartan was teaching at the University of Strasbourg when World War II started :