Didn't i already answer this, it's c.
Biofeedback depends on one's ability to control one's bodily functions, based upon using information from recording these said processes.
<span>The constraints of economic growth in South Africa range from political to social in regards to deterrents to further growth. Most primarily, however, would include the lacking educational infrastructure in the country, which has led to a decreased ability to keep up with innovative standards.</span>