The last frontiers to be mapped are the Polar regions. They were discovered something about between 1925 and 1935.
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Answer:
English colonies in North America
Providing income for transportation
Garrett Morgan invented an early version of a gas mask.
Answer:
In health care facilities, isolation represents one of several.........
Explanation:
In health care facilities, isolation represents one of several measures that can be taken to implement in infection control: the prevention of communicable diseases from being transmitted from a patient to other patients, health care workers, and visitors, or from outsiders to a particular patient (reverse isolation). Various forms of isolation exist, in some of which contact procedures are modified
