I think the correct answer from the choices listed above is option D. The most important reason to know basic first aid is that it<span> allows emergencies to be treated swiftly. This is because the things that should be done immediately when accidents happen are done and further accidents or complications are prevented.</span>
Animals and plants try to get rid of carbon by using Respiration.
The correct option is B.
The biogeochemical cycle refers to the pathway through which chemical substances are recycle through the biotic and the abiotic components of the earth. There are many types of biogeochemical cycles, examples include: water cycle, carbon cycle, nitrogen cycle, etc.
