Answer:
Along plate boundaries.
Explanation:
They are always moving and when they suddenly slide or move, the ground shudders, making an earthquake.
While swimming, Frogs propell themselves, and their small legs act like a turbine, it sends water backward, so they get forward speed in reaction.
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Answer:
The difference in the electronegativity of two atoms determines their bond type. If the electronegativity difference is more than 1.7, the bond will have an ionic character. If the electronegativity difference is between 0.4 and 1.7, the bond will have a polar covalent character.
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Hard water is water that has a high mineral content. Hard water is formed when water percolates through deposits of limestone and chalk which are made up mostly of calcium and magnesium carbonates.
