The answer would most likely be C
A scientist would use, C. Weather Balloon.
Pathogens can exist in blood and then can be passed the transfusions
<span>Bacteria is needed to convert nitrogen gas/ammonia into nitrates for "enhancing" the growth of plants.</span>
Answer:
There is a chance that the person receiving that insulin will get a bad immune response, and there is a possibility that the animal might have a disease or infectious organisms, that their insulin might contain, and putting it inside a human might transmit that disease.
Explanation:
