Answer:
1. Oil had many functional uses such as cooking, heating, and lighting. For example, oil lamps used oil and were a great source of lighting during that time.
2. Crude is another word for unprocessed, or unfiltered oil (oil that is not ready for use).
3. Refineries were used to process or "filter" the oil to make it useful without emitting more dangerous gases to people using oil.
Answer:
The cornea is an avascular tissue.
Explanation:
Since the cornea doesn't have any blood vessels the body's immune system is less likely to detect the foreign graft, and therefore, rejection is unlikely (although possible).
For the same reason, the lack of blood vessels that carry oxygen and nutrients will greatly slow the healing process. That is why this transplant can take so long to heal. For most people, it can take between 6 to 12 weeks to fully recover from the surgery.
Answer:
to check the executive and judicial branch.
Explanation:
Executive and judicial branch are given a certain level of freedom in order to exercise their duty. To prevent them from abusing their power, congress is given with the power to create law and regulations to bind the executive and judicial branch. This binding is carried out through lists of procedures that the executive and judicial branch must follow to conduct their operation.
Two of Edison's most famous inventions, the phonograph and the electric light system, were developed at Menlo Park. His accomplishments earned him the nickname the Wizard of Menlo Park.
Answer:
E. was a gradual diffusion of new ideas and technologies in industry and social, economic and political inventions.
Explanation:
The beginning of the Industrial revolution is attributed to the mid-eighteenth-century Britain, where the production process shifted from hand production to machine production. The main characteristics of the industrial revolution were large scale production, rise in population, urbanization and mechanized factory system. It has not only changed the traditional economic system but its effects can be seen in the politics, social and cultural life people. It has been considered a turning point in the history of this world.