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:
Social development is defined as prioritizing human needs in the growth and progression of society. Social development also governs the norms and conventions that govern human interaction. The focus is on improving the lives of regular citizens, especially the poor, to make society a better place for everyone.
The system of mass reproduction in manufacturing developed during the Gilded age. Hope this helped you.
Answer:
Land use has a major impact on the water quality of both surface and ground water. Land use refers to the human use of the land. ... Certain kinds of land use can change the hydrology of the Watershed, altering the way water and pollutants move through the drainage basin.
Explanation:
Answer:
Option A
Explanation:
At the cellular level, the thyroid epithelia cells form follicles filled with colloid – includes materials needed for thyroid hormone production. These follicles range in size from 0.02-0.3mm and the epithelium may be simple cuboidal or simple columnar.
