At One Time, About ________ of the Population of Canada

question 193

Short Answer

At one time, about ________ of the population of Canada was involved in producing the food that we needed; today less than ________ percent of the population works in agriculture.
half; 0.5
half; 2.5
one-third; 5
three-quarters; 2.5
four-fifths; 3

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Definitions:

NK Cells

Natural Killer cells, a type of white blood cell that plays a critical role in the body's immune response by attacking infected or cancerous cells.

Cytotoxic T Cells

Cytotoxic T cells are a type of white blood cell that can directly kill infected cells or cancer cells by recognizing specific antigens on the cell surface.

Innate Immunity

The first line of defense in the immune system, consisting of physical, chemical, and cellular defenses against pathogens.

Immune Response

The body's defensive reaction to eliminate pathogens or foreign substances.