Answer:
False
Explanation:
The Olmec civilization was prevalent during the Stone Age, so they mainly used basic materials to make their tools such as stones and wood. Obsidian was not abundant in their area, but it was sometimes available. However, it was not the main material used for their tools.
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It depends what it interacts with but it makes bubbles for a chemical or physical change happening to it
Russia's victories in World War I led to Czar Nicholas's abdication and retirement. War on the western front devastated Russia's army, causing Czar Nicholas to abdicate. ... Czar Nicholas abdicated in favor of constitutional governments due to Russia's alliance with Britain and France.
