What is the topic of this passage ? famous Inventors who failed the inventions of Thomas Edison the real Inventor of the light bulb a failed invention of Thomas Edison

According to subpart d, research with children may be eligible for exemption when: the children will be asked to complete a surveythe research involves the use of educational teststhe children will be interviewed by the researcher.the research with children will involve participant observation with researcher interaction.

How did ancient civilizations develope its agriculture and protect its population

Which statement is not true about the missouri compromise? 1.) slave owners could pursue escaped slaves into “free” regions. 2.) maine entered the union as a free state. 3.) slavery was allowed throughout the louisiana territory. 4.) missouri entered the union as a slave state.