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:
A
regulate interstate commerce
Answer:
They were selected to spread Jesus' teachings.
The western end of the railroad in 1858 was St. Louis.
Answer:
A. avoiding overpopulation
Explanation:
please mark brainliest
