Examlex
Which of the following lymphoid organs or tissues has the immunological function of filtering pathogens from the blood?
Recycling Measures
Actions and processes dedicated to collecting, processing, and converting waste materials into new products, reducing the need for raw materials and minimizing waste.
Mining
The extraction of valuable minerals or other geological materials from the Earth.
Salt Deposits
Natural accumulations of crystalline salt formations, often found in underground beds or dried lake beds, extracted for various uses including consumption.
Canadian Prairies
A vast geographical region in Western Canada characterized by its flat landscape and predominantly agricultural use, including the provinces of Alberta, Saskatchewan, and Manitoba.
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