Answer:
Option D - Increase; Increase
Explanation:
According to research on the effects of mood on helping, good moods are likely to __increase________ the odds that we will spontaneously help another, and bad moods are likely to __increase________ the odds that we will spontaneously help.
Based on the research, phycologists and philosophers have believed that bad mood helps in overcoming lots if life's challenges and difficulties. Also, it helps in actualizing greater achievements in life. Good mood on the contrary, enhance people to help as people help the more when they're happy, and also shows how relieved the society and environs is.