What is the name or term used for a double set of doors, often monitored by a guard, used to contain a subject until their identity and authorization for access have been confirmed?

Potentially, a large spill can be: a) an environmental threat, if it gets into drains b) a dangerous fire hazard c) harmful to individuals d) all of the above

Think about the different ecosystems we would find while studying the physical geography of the united states. which ecosystem do you live in? in a short paragraph, describe the ecosystem that surrounds you. what kinds of plants and animals are common in your area?

Of the following choices, which ones are characteristics of west african society? select all that apply. a. arabic was the main language used when trading with other societies. b. christianity was the only religion practiced in villages. c. slaves had no rights and were only given specific farming tasks. d. skilled workers were a higher level in the caste system than traders. e. religious rituals encouraged the honoring of ancestors.