After being appreciated for her recent presentation at work, hea jung is keen on putting in a lot more effort for her next presentation. through her presentation skills, she is determined to impress her boss and colleagues once again. hea jung's behavior is being influenced by

The correct answer here is extrinsic motivation.

Extrinsic motivation refers to the behavior of people that is motivated and inspired by outside factors such as praise, which we see in Hea Jung's example, money, grades or even fame. This is motivation that comes from the outside and not from within the individual. 

Afine-grained igneous rock forms as a result of slow cooling.