Which of the following is necessary in order for an explanation to be adequate? (Points : 1) It does not agree with other human knowledge. It provides an overly complex solution. It is noncircular. It is contradicted by other instances.Which of the following is necessary in order for an explanation to be adequate? (Points : 1) It does not agree with other human knowledge. It provides an overly complex solution. It is noncircular. It is contradicted by other instances. Solution it is non circular.