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What’s a special glass that most beakers are made of

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?