I think it is c but i am not sure
Explanation:
Vaccines- helped prevent soldiers from war getting various diseases.
Wearable sensors- For those with diabetes or heart diseases. It can help with control and monitor their conditions with more accuracy.
Magnetic Resonance Imaging (MRI)- It steers minuscule robots to deliver drugs or act as interventional tools within the human body.
When your given a formula it is made available to you once you know all the possible variables.
hope this works.
Answer:
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