Please capitalize where necessary: and the children of gad and the children of reuben answered, saying, as jehovah has said to thy servants, so will we do.
A: And the children of Gad and the children of Reuben answered, saying, As Jehovah has said to thy servants, so will we do.

Please capitalize where necessary: ensures retention of nitrogen within the body, which prepares the system for the following workout session.
A: Ensures retention of nitrogen within the body, which prepares the system for the following workout session.

Please capitalize where necessary: we call these two contrasts "good" and "evil" respectively.
A: We call these two contrasts "good" and "evil" respectively.

Please capitalize where necessary: two worst-case scenarios for customers. 1) a customer who repeats treatment each week during the winter months. 2) special cases such as tv presenters, actors and models, where exposure could be weekly throughout the year.
A:
Two worst-case scenarios for customers. 1) a customer who repeats treatment each week during the winter months. 2) special cases such as TV presenters, actors and models, where exposure could be weekly throughout the year.