_________ are different groups of plants.
A. Herbs
B. Shrubs
C. Tress & Aquatic
D. All of these
Plant exhale at night time which of the following Gas?
A. CO2
B. H2
C. O2
D. Both A and B
A. Herbs
B. Shrubs
C. Tress & Aquatic
D. All of these
A. CO2
B. H2
C. O2
D. Both A and B