Question

unit test
unit test complete
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which friend is experiencing an internal barrier to physical fitness?
mark lacks access to fitness equipment.
tyler has trouble finding a safe area to work out.
talia puts in only 50 percent of effort during her workout.
clarks parents fail to support his desire to work out.
mark this and return save and exit

Explanation:

An internal barrier is something within a person that hinders physical fitness. Mark's lack of equipment is an external resource - related issue. Tyler's problem with a safe area is an external environmental issue. Clark's parents' lack of support is an external social - related issue. Talia's low effort (50 percent) during a workout is an internal, self - related factor.

Answer:

Talia puts in only 50 percent of effort during her workout.