(ËvÉr bÉl) adj. 1. of or consisting of words: verbal ability. 2. spoken rather than written; oral: verbal communication. 3. concerned with words only, rather than with the ideas, facts, or realities expressed: a purely verbal distinction. 4. corresponding word for word; verbatim: a verbal translation.
Because their hypothesis requires that Earth arose from water-containing materials already present in the inner solar system, it's called the wet-accretion hypothesis. Most of Earth's water has an indigenous origin, says Drake.
He presented his theory in 1912, after finding identical fossils on land separated by the Atlantic Ocean. His 1915 book, âThe Origin of Continents and Oceans, outlined his theory in detail.Wegener was not the first to suggest that the continents were once connected, but he was the first to present evidence of how the drift happened.