The ceramics used to make bricks is earthenware
Dude you actually have to post the pictures for us to answer the questions...
I dont, but i used to and that was 5 years ago. I wish i could help. What does it say and i can see if i remember?
Answer:
The answer is the first one, the use of 1 color in a variety of tints and shades. Keep in mind that mono means 1. This will help you in the future.
Explanation: