Answer:
Humans participate in 1 and 3, so the answer is C. We burn fossil fuels and use our respiratory system to produce carbon. We do not, however, go through photosynthesis like plants.
Usually patient's with pica are missing a nutrient in their diet..blood testing is the usual method to discover what nutrients are missing.could also b due to a mental illness..
Answer:
I think its d I'm not sire sorry if I do t help you
Answer:
c. step my step explanation