Medieval monasteries were very powerful and wealty institutions which even had moveable and landed properties. They were centres of education and culture. Education was not cheap at medieval times, so only wealthy people could afford it for themselves and their children. Also there were a lot of rich patrons and charity givers who tried to help and support monasteries with money and goods.
When exposed to smoke, hydrogen cyanide may play a role in rendering firemen and bystanders incapable of performing self-rescue.
HCN is a toxin that spreads throughout the body; it is hazardous because it inhibits cytochrome oxidase, which stops cells from using oxygen. Loss of awareness, respiratory arrest, and finally death arise from inhibition of the last stage of electron transport in brain cells.
Higher HCN exposures cause cardiovascular collapse, tremors, cardiac arrhythmia (which may not manifest for two to three weeks after the fire exposure), coma, respiratory depression, and respiratory arrest. Inhaling minute concentrations of hydrogen cyanide can result in headaches, weakness, nausea, and vomiting. Larger doses might result in fainting, convulsions, gasping, fast pulse, irregular heartbeat, and even death. In general, the severity of the symptoms increases with the seriousness of the exposure.
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Answer:
48 percent
Explanation:
According to data from the Gallaudet Research Institute (2008) conducted in November 2008, "Regional and National Summary Report of Data from the 2007-08 Annual Survey of Deaf and Hard of Hearing Children and Youth. Washington, DC: GRI, Gallaudet University." approximately 48 percent of all students in programs for the deaf and hearing impaired are persons from culturally diverse groups
Gallaudet Research Institute (November 2008).
Answer:
Mechanical
:
Support. Bones provide a framework for the attachment of muscles and other tissues.
Movement. Bones enable body movements by acting as levers and points of attachment for muscles.
Protective
:
Bones such as the skull and rib cage protect vital organs from injury. Bones also protect the marrow.
Metabolic
:
Mineral storage. Bones serve as a reservoir for calcium and phosphorus, essential minerals for various cellular activities throughout the body.
Blood cell production. The production of blood cells, or hematopoiesis, occurs in the red marrow found within the cavities of certain bones.
Energy storage. Lipids (fats) stored in adipose cells of the yellow marrow serve as an energy reservoir.
Explanation:
The answer is: Scientists study how things work while engineers create new things
