Mitochondria- it produces the energy for the cell. the muscle needs more energy because they are always functioning
Black hole
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A supension is formed when two or more materials are insoulable so they
rest on top of each other. For instance, sand and oil are insoulable
(unable to be mixed together) so based on density, one rises above the
other, making a suspension.
*Hope that helps and enjoy Brainly :)*