I think the subject of the sentence is checkers
Answer:
What Makes a Good Scientific Model? A good model is: based on reliable observations. able to explain the characteristics of the observations used to formulate it.
Explanation:
PLEASE MARK ME AS BRAINLIEST
Answer:
no possible
Explanation:
I haven't see one in my life
It's generally said that he wrote 37 plays, but no-one actually knows.