According to DIYOrNot.com, it should cost between $500 and $800 to install a single new garage door. They demonstrate that the average homeowner can usually tackle such a project in a nine hour time span and a professional will be able to complete it in roughly five hours.
Definition of continental drift. : a slow movement of the continents on a deep-seated viscous zone within the earth â compare plate tectonics.
continental shelf. noun. Tweet. : the part of a continent that lies under the ocean and slopes down to the ocean floor. a shallow submarine plain of varying width forming a border to a continent and typically ending in a comparatively steep slope to the deep ocean floor. See continental shelf defined for English-language learners. See continental shelf defined for kids. ADVERTISEMENT.