The answer is A. detritus.
Detritus typically includes the bodies or fragments of bodies of dead organisms, and fecal material. Detritus typically hosts communities of microorganisms that colonize and decompose (i.e. remineralize) it. In terrestrial ecosystems it is present as leaf litter and other organic matter that is intermixed with soil, which is denominated "soil organic matter".
B. photosynthesis is the major source of oxygen.
Hi i'm not sure but i think it is "<span>B. Burning in an incinerator" because all that smoke will cause lots of pollution. Pls mark as brainliest if right thx!
Have a Nice DAY!!!</span>
The loss in soil fertility, poor crop production, and hardened soil surface I think
Answer:
Secondary
Explanation:
There are several levels of prevention. You might confuse this with primary prevention. Primary prevention is preventing infection, so it has to be done before the patient caught the disease.
The needle-exchange program aims to reduce the spread of blood-borne disease(HIV, hepatitis, etc) from the multiple usages of the same needle. Since the disease already exists, this will be secondary prevention.