Scientists believe that the Grand Canyon was once covered by ocean
Answer:
As explained below
Explanation:
Earth's internal heat flow and sun's energy both are duly responsible for the atmospheric and internal heat budget of the planet. The rocks underneath the earth surface in the form of tectonic plates are melted and then subducted inward by the radioactive decay of the planet and this energy created deep inside the earth is responsible for the various tectonic force seen above the land surface in form of tides, earthquakes and this internal hear is divided into two types like radiogenic and primordial heat. This heating process is transported as a result of conduction and convection. About 80% by mental convention and 1% by volcanic eruption and mountain building.
Answer:
C. Wood
Explanation:
Wood is a renewable resource since we can use the seeds and sapling to grow more trees, and the more trees the more of the resource of wood that we have.
Answer:
Plastics are used to make bicycle helmets, child safety seats and airbags in automobiles. They're in the cell phones, televisions, computers and other electronic equipment that makes modern life possible. They're in the roofs, walls, flooring and insulation that make homes and buildings energy efficient.