Advertisements
Advertisements
Question
Fill in the blanks
Plants and animals maintain the balance of carbon ___________and _________ in the air.
Solution
Plants and animals maintain the balance of carbon dioxide and oxygen in the air.
APPEARS IN
RELATED QUESTIONS
Complete and balance the following chemical equation.
\[\ce{HgO ->[heat]}\] ______ + _______
Write down the composition of three main gases present in air by volume.
State what would happen, if the air above the earth contained mainly oxygen and no nitrogen
State the utility of oxygen for respiration in plants
Complete the statement given below by filling in the blank with the correct word from the words given
___________is an example of a pollutant present in the air.
Give word equation for the following conversion:
Nitric acid to soluble nitrates in the soil
State four different properties of a compound and a mixture.
The composition of air changes slightly from place to place. Give examples.
The components of air which are harmful to living beings are
Observe the picture given in Fig. carefully and answer the following questions.
What is covering the nose and mouth of the police man?
