The correct answer is 'money'. When someone 'barters' something, they trade it using goods or services. For instance, if I were to 'barter' for an apple, I might give you an orange or something you thought was of equal value, or I might also do a favor for you in return for it.
Hope this helps!
Answer:
1- contrasts
2- playful
3- wildly
4- black (I'm assuming it was a typo)
5- white
6- floating
7- serene
Is simular to art found in caves by cave men/women
