Question

2. The major component of air is ______

7 plants respire only at night true or false

give the answer in same time​

Answer 1

Explanation:

2. Major components of air are nitrogen and oxygen. Nitrogen is the inactive component and oxygen is the active component. ... (v) The properties of different gases are retained in the air

7. During the day both photosynthesis and respiration occur but during the night only respiration occurs. Hence Plants carry out photosynthesis only during the day and respiration only at night is False. So, the correct answer is 'False'.

Answer 2

Answer:

The composition of air consists of three key components of air, namely Nitrogen(78%), Oxygen (21%), Argon (1%), Carbon-di-oxide (0.03%) and water vapor. Air also has some other gases but they are in very minute percentage