A.Carbon dioxide
B.Water
C.Both from carbon dioxide and water
D.Oxygen in the air
Related Mcqs:
- Arrange the following in ascending order of their occurrence in the atmosphere: (1) oxygen (2) Nitrogen (3) Carbon dioxide (4) Argon
- Gas released during photosynthesis is ____________.
- Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth’s atmosphere?
- The most abundant gases in the earth’s atmosphere by volume are ____________.
- The most abundant gas emitted from volcanoes is __________?
- When yeast and certain bacteria carry on anaerobic respiration they produce:
- When oil and gas resources are burnt they kill many forests and lakes by __________?
- Biological Oxygen Demand (BOD) is a measure of:?
- The earth’s first atmosphere was composed primarily of ______________.
- The gas responsible for the greenhouse effect on Venus is ____________.
