While Universal Precautions are 's required method of control to meet its regulations, the created Standard Precautions recommendations, which apply to blood, all body fluids, secretions, and excretions.

OSHA, CDC

Explanation:

Occupational Safety and Health Adminstration OSHA regulates that Universal Precautions be observed whenever there is a risk of contact with any potential source of bloodborne infection.

While the Center for Disease Control CDC created standard precautions procedures when dealing with bodily fluids

it's c. (to reduce the greenhouse effect/carbon gasses)

substitution is the answer in this case