English Language · English
'Gerontology' (वृद्धावस्था विज्ञान) शब्द की सही परिभाषा चुनिए:
- 1पक्षियों का अध्ययन
- 2खेलों का अध्ययन
- 3वृद्धावस्था का वैज्ञानिक अध्ययन✓
- 4बच्चों का वैज्ञानिक अध्ययन
सही उत्तर देखें
वृद्धावस्था का वैज्ञानिक अध्ययन
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