The answer is Petersburg Volgograd
matias may live farther away so its 0.7 kilometers.
jack may live closer to the bookstore so it may only be 0.5 kilometers.
Atomic mass, pounds,hour,year,unix time
<em>That mnemonic is some variation of</em>
<em>My Very Energetic Mother Just Served Us Nine Pizzas</em>
<em>- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto.</em>
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<em>Hope it can help !!!!</em>