Answer:
3. 3-D Printing.....You probably didn’t know that what’s now known as 3-D printing began in the early 1980s with a process called selective laser sintering. University of Texas alum Carl Deckard began inventing the process, commonly referred to as SLS, while he was still a graduate student.
Explanation:
Answer: 1. 1854 bill that mandated popular sovereignty. It allowed settlers to decide if they wanted slavery in their state or not.
2. The North was very very very mad. The Missouri Compromise had made this from happening all the way back in 1820.
3. It was greatly praised. But anti slave people in the South wanted another vote. But pro slave people didn't vote because they wanted to keep slavery.
4. President Franklin Pierce
5. It allowed people to decide for themselves and they didn't have to like slavery
Explanation: Brainliest please
C. High quality phones contain rare earth metals that are a more scarce resource and cost more to the consumer.
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<span>The most dramatic change in agriculture in the South was the invention of the cotton gin.
True </span>