an elevated area of land, smaller than a mountain

a slang term for a challenge or obstacle

चुनौती

English Usage: Overcoming that hill reaction was tough, but we managed.

Hindi Usage: उस चुनौती को पार करना कठिन था, लेकिन हमने प्रबंधन किया।

to respond to something

to undergo a change in response to stimulus

परिवर्तन करना

English Usage: The chemicals will react differently at various elevations, such as on a hill.

Hindi Usage: रासायनिक पदार्थ विभिन्न ऊंचाईयों पर, जैसे कि पहाड़ी पर, अलग तरह से प्रतिक्रिया करेंगे।