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gamma
gamma rays
oxidation
strip mining
Yes. aluminum will react with some acids. But after being exposed to air it forms an oxide layer that many acids can't penetrate.
Non-reactive means there is no response when exposed to stimulus or to other materials.
Litmus is used to test materials for their acidity. Blue litmus paper turns red when exposed to acid, so it would turn red when exposed to vinegar, which is acidic.
Inhalation is the most common route for exposure to a hazardous material. Other possible routes include:skin contactskin absorptioninjectioningestion (eating or drinking)
When the materials are exposed to fire. (or on fire, whatever)
The Night was written and narrated by Eliezer. During his childhood, he believed in God, but the Holocaust robbed him of his faith and he was exposed to the deepest inhumanity of which man is capable.
Respiration
Hepatitis B