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:
a map is a flat representation of earth's curved surface. however transferring a curved surface to a flat map results in a distorted image of the curved surface. the three-dimensional curved surface of a globe is called a map projection. no projection is an entirely accurate representation of earth's surface.
Explanation:
Answer:
The correct option is C: accountability for educating students to higher academic standards and the economic demand for a more knowledgeable workforce
Explanation:
The two primary developments that have fueled educational reform efforts are the accountability for educating students to higher academic standards as seen in the case of No Child Left Behind Act and the Standard-Based Education (SBE). All these and many more are as a result of ensuring that students education meets a high standard. Also, an intelligent workforce is one of the factors needed to keep the economy healthy, thus another reason for fueling education reform efforts.
