Answer:
Option D, amount of sun striking the area
Step-by-step explanation:
Offshore oil drilling is a risky business. All stakeholders involved in this are at some or other kind of risk.
For example -
Environment is at risk - Cases of oil spill in oceans are very common and in spite of so much technological advancement, there is no way to solve the issue of oil spill.
The prices of gas and oil are varying continuously, thus its is also a important factor which shall be considered for allowing off shore drilling.
The human resources deployed at such site are always at risk of uninvited accidents.
Thus, option D is the only factor which is not a major factor in the issue of whether to allow offshore oil drilling in the United States