Answer:
Keelboats have been used for exploration, such as during the Lewis and Clark Expedition, but were primarily used to transport cargo or settlers in the early 19th century. The process of moving a keelboat upriver was extremely difficult, though current dependent.The earliest keelboat seems to have been a skiff with a plank nailed the length of the bottom to make the boat easier to steer, but by about 1790 the keelboat had become a long narrow craft built on a keel and ribs, with a long cargo box amidships.
Explanation:
Answer:
information-processing perspective
Explanation:
The perspective Professor Schuyler pointed out is the information-processing type. This is because he compared people's brains and those which work very much like a computer in terms of input, operations, and output.
The input, operations and output are the main core of how information-processing in a computer works which is why that is the valid answer.
Chromosomes are the rod-shaped portion of DNA
A. Excessive surveillance by the government.
Answer:It's B, C, and A
Explanation:Sharecropping sounded a lot better than it really was, it hurt the freed slaves more than helped them in the long run.
