Trenches are formed by subduction, a geophysical process in which two or more of Earth's tectonic plates converge and the older, denser plate is pulled beneath the lighter plate and deep into the mantle, causing the seafloor and outermost crust ( the lithosphere) the bend and form a steep, V- shaped depression.
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Its B. Biological molecule that stores energy
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4. The cell has chloroplasts to turn sunlight into food
Oranelles carry out specific functions within the cell
