To separate<span> the substances in a </span>compound<span>, a chemical reaction is required. Running electric current through water will produce hydrogen and oxygen gases. This process is called electrolysis. Substances in mixtures can be separated using physical change processes.</span>
Autocracy: is a state of government by one person with absolute power.
Democracy: A system of government by the population or all the eligible members of a state, typically through elected representatives.
Let’s go with B ( and see)
Answer:
Knights were professional warriors who helped nobles protect their land.
D. Building their own roads from stone and clay
