Advertisements
Advertisements
प्रश्न
Whales come up to the water surface to breathe in oxygen.
पर्याय
True
False
Advertisements
उत्तर
Whales come up to the water surface to breathe in oxygen- True.
APPEARS IN
संबंधित प्रश्न
State a reason why there is a balance in the amount of carbon dioxide in the air, even though carbon dioxide is released into the atmopshere by various processes.
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air which is variable in air above sea level and in air in general ______.
Compare the three main components of air i.e. nitrogen, oxygen and carbon dioxide with reference to their density and solubility, nature and reactivity.
Write the percentage of the gases present in air.

List uses of oxygen.
Why do traffic assistants wear a mask on duty?
The component of air used by green plants to make their food, is ______.
Carbon dioxide gas is ______ in nature.
Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain ______.
Observe the picture given in Fig. carefully and answer the following questions.

Can you comment on the air quality of the place shown in Fig?
