It's important to use condoms to help reduce the spread of STI (sexually transmitted infections). These infections include HIV (Human Immunodeficiency Virus), chlamydia, genital herpes, genital warts, gonorrhea, hepatitis B, and syphilis.
Routine activities are the type of activities we do everyday. keyword: routine.
I would say c because looks to be the sensory nerve root.
Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light.In other words, brightness is the perception elicited by the luminance of a visual target. This is a subjective attribute/property of an object being observed and one of the color appearance parameters of color appearance models.
