Please capitalize where necessary: algeria, photos of algeria, algeria pictures , timgad - photo travels
A: Algeria, photos of Algeria, Algeria pictures , Timgad - photo travels

Please capitalize where necessary: the fastest and easiest way to open your pdi file is to double-click it.
A: The fastest and easiest way to open your PDI file is to double-click it.

Please capitalize where necessary: he gave one argument its quietus by declaring, "there is no settling the point of precedence between a louse and a flea."
A: He gave one argument its quietus by declaring, "There is no settling the point of precedence between a louse and a flea."

Please capitalize where necessary: we explained above how a lack of understanding of the theory of errors in mechain's time led him to down this path since he blamed himself for the discrepancies.
A:
We explained above how a lack of understanding of the theory of errors in Mechain's time led him to down this path since he blamed himself for the discrepancies.