Question

1. what is the main idea of the conclusion paragraph?

a. wegener was completely wrong and his ideas were forgotten
b. wegeners continental drift idea started our understanding of earths changing surface and led to the plate tectonics theory that explains many geological processes
c. plate tectonics only explains where fossils are found
d. the study of earths plates is no longer useful for scientists

Explanation:

Wegener's continental drift theory was a foundational precursor to modern plate tectonics. Option A is incorrect because his ideas were not forgotten and were later validated in modified form. Option C is wrong because plate tectonics explains far more than just fossil locations, including earthquakes, volcanoes, and mountain formation. Option D is false as plate tectonics remains a critical, active area of geological science. Option B accurately summarizes the legacy of Wegener's work as the starting point for understanding Earth's dynamic surface and the development of the comprehensive plate tectonics theory.

Answer:

B. Wegener's continental drift idea started our understanding of Earth's changing surface and led to the plate tectonics theory that explains many geological processes