Question

In each of the following questions, two columns are given containing three sentence fragments each. In the first column, the fragments are labelled A, B, and
C. In the second column, the fragments are labelled D, E, and F. You are required to match the fragments from Column I with the fragments from Column II to form grammatically correct and contextually meaningful sentences. Choose the option that provides the correct combination(s).

Q: Answer-In each of the following questions, two columns are given containing three sentence fragments each....

B-D Uses a participial phrase By mapping... that correctly modifies the subject of the main clause scientists, detailing their method and goal. C-F Establishes a logical contrast using Although, balancing the capital-intensive short-term costs against the positive long-term ecological dividends. Why A-E fails Subject-verb agreement error. The core subject in fragment A is thawing singular. Therefore, the verb in fragment E must be singular threatens, not plural threaten.