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Formaldehyde is a highly reactive molecule that can be directly irritating to tissues with which it comes into contact. Human and animal studies indicate that formaldehyde, at certain exposure levels, can be irritating to the upper respiratory tract and eyes with inhalation exposure, to the skin with dermal exposure, and to the gastrointestinal tract with oral exposure. Formaldehyde-induced noncancer and cancer effects appear to occur only at portals-of-entry (i.e., upper respiratory tract, gastrointestinal tract, and skin).
Answer:
Both countries have a wealth of natural resources and a diverse climate. Both Russia and the United States are difficult to avoid in political alliances because of their size, which, along with their military might, makes them difficult to ignore. It is no surprise that both countries are central states of their regional alliances and will remain so for several years, despite challenges.
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Answer:
Pearl Harbor, midway, battle of normandy, Hiroshima
Explanation:
Starts with attack on Pearl Harbor by Japan and ends with America dropping atomic weapons on Japan.
Answer:
the rapid expansion of matter from a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe.
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