QUESTION: Fix punctuation: Luminance difference Indicates the transition between light and dark surfaces
ANS: Luminance difference Indicates the transition between light and dark surfaces.

QUESTION: Fix punctuation: A whole corpus of domestic laws recognizing the necessity to transition the energy sector to cleaner fuels has been instituted during the past decade culminating in 2007 with the publication of Law 5707 on Renewable Sources of Energy Incentives and its Special Regimes and its appending regulation which sets a target of 25 percent of renewable energies in the countrys final electricity consumption by 2025
ANS: A whole corpus of domestic laws recognizing the necessity to transition the energy sector to cleaner fuels has been instituted during the past decade, culminating in 2007 with the publication of Law 57-07 on Renewable Sources of Energy Incentives and its Special Regimes and its appending regulation, which sets a target of 25 percent of renewable energies in the country's final electricity consumption by 2025.

QUESTION: Fix punctuation: and 90 percent how you take it
ANS: and 90 percent how you take it.

QUESTION: Fix punctuation: A normal literal interpretation of Scripture rejects postmillennialism and holds to a normal interpretation of all Scripture including unfulfilled prophecy
ANS:
A normal, literal interpretation of Scripture rejects postmillennialism and holds to a normal interpretation of all Scripture, including unfulfilled prophecy.