A.Oxygen
B.Carbon dioxide
C.Fish feed
D.Decoration
Related Mcqs:
- The earth’s first atmosphere was composed primarily of ______________.
- Which of the following is not a green house gas?
- Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth’s atmosphere?
- Which of the following is a true fish:
- The most abundant gases in the earth’s atmosphere by volume are ____________.
- Biogas is composed of __________?
- Carbon becomes available to crop plants in the form of:
- Which of the following is not a fish:
- Arrange the following in ascending order of their occurrence in the atmosphere: (1) oxygen (2) Nitrogen (3) Carbon dioxide (4) Argon
- Respiration means: