The answer might be cytoplasm
1.Mid-ocean ridges are basically underground volcanoes that lava from the Earth's Mantle can breach. The ocean, however, freezes the lava and that in turn forms rock. If this happens repeatedly, then the older rock gets pushed away from the source, and the younger, just formed rock is, therefore, closer to the ridge. So the younger rock being formed by the ridge is pushing away the older, previously made, igneous rock.
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Answer:
The genetic makeup of an organism
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In acid-base reactions, proton (H+) moves from acid to base, meaning that the acid is a donor and base is acceptor of that proton. This happens because of the difference in potential energy (proton goes from higher potential energy to a lower potential energy).
So, definition can be: an acid is a molecule (or ion) that can transfer a proton to another molecule and a base is a molecule that can accept a proton.