1. Vocabulary Part 10

2. Apathy noun lack of feeling or of interest
Salome’s apathy towards the boy falling led everyone to believe that she did not like him.

3. arbitrate
verb
 to settle a disagreement after hearing the arguments of both sides
After hearing both sides, Victor arbitrated that pink was the best color.

4. astute
adjective
having or showing understanding and the skill to make good choices or decisions
Bryan’s astute knowledge on the subject caused his group to be confident in his decision.

5. permanent
adjective
 lasting or intended to last for a very long time : not temporary or changing
Some parents do not like tattoos because they are permanent.

6. persist
verb
  to continue to do something in spite of opposition, warnings, or pleas
When the students persisted to talk in class, they lost their chance to receive tickets.

7. perturb verb to disturb greatly especially in mind
The students were perturbed when they were called down to the principal’s office.

8. robust Adjective being strong and vigorously healthy
The robust weight lifter won the competition.

9. rupture verb a break in peaceful or friendly relations
a breaking or tearing apart (as of body tissue) 
Her stitches ruptured during her yoga class.

10. species noun a class of things of the same kind and with the same name
Cats and dogs are two different species.

11. status noun state or condition with respect to circumstances.
The status of your essay was still pending.