If a solution has virtually no hydrogen ions what type of ph does it have?

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What filament and tubules give a cell its shape

Can someone me with questions 15 to 17 plz.

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.