Question: throughout the old testament, believers came to salvation because they believed that god would someday take care of their sin problem.
Answer: --> Throughout the Old Testament, believers came to salvation because they believed that God would someday take care of their sin problem.

Question: we prefer to look at the environmental issues we face today as a challenge, not a problem.
Answer: --> We prefer to look at the environmental issues we face today as a challenge, not a problem.

Question: i have already given one apparent instance of this: the confusion about the date of mr. balfour's second meeting with dr. weizmann, the one just described.
Answer:
--> I have already given one apparent instance of this: the confusion about the date of Mr. Balfour's second meeting with Dr. Weizmann, the one just described.