Choose a word from the drop-down menu for each blank to complete the sentence below.
was a German geophysicist who formulated the first complete statement of the theory.
In 1912, Alfred Wegener proposed the theory of "continental drift". His hypothesis was that the continents were once joined together, but had drifted apart over time to their present day positions. Which scientific phenomena strengthened Wegener's theory?
What is the name of the original supercontinent that scientist believe was separated due to Earth's tectonic plates?
Mountains are a result of natural events. How are mountain ranges, like the Himalayas, formed?
Read the sentences below. German meteorologist Alfred Wegener was the first to suggest that the continents have moved over time. Wegener's theory was rejected at the time, in part, because he could not explain what caused the continents to move. Which of the following statements BEST describes how modern scientists explain the cause of lithospheric plate movement across the surface of the Earth?