Advertisements
Advertisements
प्रश्न
Whales come up to the water surface to breathe in oxygen.
विकल्प
True
False
Advertisements
उत्तर
Whales come up to the water surface to breathe in oxygen- True.
APPEARS IN
संबंधित प्रश्न
Statement given below is incorrect. Write the correct statement :
Potassium nitrate on strong heating decomposes into potassium nitrite and nitrogen gas.
Complete the statement given below by filling in the blank with the correct word from the words given below
The ______ is a layer which extends up to about 10-50 km. above the earth.
Give word equation for the following conversion:
Nitrogen dioxide to nitric acid
Air is made up of oxygen only.
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
Soda bottle bursts sometimes when it is opened during summer. Why?
Air contains a small amount of CO2, Water vapour, and some other gases like ______, etc.
The second major component of air is oxygen.
Venus's atmosphere consists of roughly 96 – 97% of ______.
The components of air which are harmful to living beings are ______.
