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which events led to the development of democracy? choose three correct answers.
cleisthenes reorganized the classes of citizens.
solon allowed women to participate in government.
solon forgave the debts of citizens living in poverty.
cleisthenes let enslaved people have a voice in government.
cleisthenes gave citizens living in poverty more of a say in the government.

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?