Final answer:
A PhD is the highest degree achievable in most fields, requiring rigorous research and a dissertation. It is commonly pursued by those aiming for academic or research careers.
Explanation:
PhD is the highest degree that can be earned in most fields. It is a doctoral degree that denotes the highest level of academic achievement.
A PhD requires extensive research, independent study, and a dissertation that contributes new knowledge to the field.
Individuals pursuing a PhD often aim for careers in academia, research, or specialized fields.
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