Kristen cut her hand on a piece of glass. as the blood clots, how do white blood cells prevent bacteria on the glass from infecting her blood?
they bring more oxygen to the site for repair.
they destroy pathogens that enter the wound.
they form the platelet plug.
they cause blood vessels to constrict

c

Explanation:

The Earth's carbon cycle consists of the flow, cycling, and recycling of all of the carbon on the Earth. Every living organism's composition includes the element carbon. ... Producers take in carbon dioxide from the air, and consumers eat the producers. The energy for life comes primarily from the Sun.