Answer:
Trace fossils include footprints, trails, burrows, feeding marks, and resting marks.
Explanation:
<span>The significance of chitin in arthropods is Chitin is a structural carbohydrate that forms their exoskeleton. </span>
<span>Heat strokeHeat stroke is a condition caused by failure of the body's temperature-regulating mechanism when exposed to high temperatures. Heat stroke is treated by keeping the body temperature less than 102.5°F. Various cooling methods includes removing clothing, placing the patient in front of a large fan, and immersing the patient into a tub of cool water.
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