What system is a group of organs used for breathing in oxygen and getting rid of carbon dioxide?

Want brainliest + free points? answer this question correctly and i got you. in rural areas, be aware of sudden hazards, particularly near a. wide turns or working farms b. tight turns or working farms c. long stretches of open road d. abandoned farms

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii

__ is a method to eliminate a problem through negotiation and meditation a. joint settlement b. arbitration c. analysis d. conflict resolution