Why did Alfred Wegener believe that all the continents once had been joined in a super continent called Pangaea? A. Most of the continents seem to fit together like a puzzle

B. Lithospheric plates all have the same chemical composition

C. All the continents once had the same climate

D. A mountain range that is made of basalt rock is found along the coast of each continent​

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted