Unlike drive-reduction approaches to motivation, arousal approaches to motivation suggest the possibility of:_________.
i. increasing levels of stimulation and activity when they are too low.
ii. reject the notion that humans are driven to reduce high stimulation and activity levels.
iii. highlight the significance of inborn patterns of behavior that are biologically determined rather than learned.
iv. are unable to explain why certain patterns of behavior and not others have evolved in a given species.