Which of the following is not a green house gas?
A. Carbon dioxide
B. Methane
C. Ozone
D. SF6
Continue reading “Which of the following is not a green house gas?”
Author: Aroma Ann
Which gas is likely to be reduced in the atmosphere by deforestation?
A. Carbon dioxide
B. Nitrogen
C. Oxygen
D. Sulphur dioxide
Plants which grow in light are called _____________.
A. Sciophytes
B. Heliophytes
C. Oxylophytes
D. Epiphytes
In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
A. Nitrogen, oxygen
B. Hydrogen, oxygen
C. Oxygen, hydrogen
D. Nitrogen, water vapor
E. Hydrogen, helium
Gas released during photosynthesis is ____________.
A. Methane
B. Nitrogen
C. Oxygen
D. Carbon dioxide
Plants which grow in shade are called ____________.
A. Sciophytes
B. Heliophytes
C. Oxylophytes
D. Epiphytes
The earth’s first atmosphere was composed primarily of ______________.
A. Carbon dioxide and water vapor
B. Hydrogen and helium
C. Oxygen and water vapor
D. Argon and nitrogen
What is the man-made green house gas known as?
A. Carbon dioxide
B. HFC
C. Ozone
D. Water Vapour
Which of the following is considered a variable gas in the earth’s atmosphere?
A. Water vapor
B. Nitrogen
C. Oxygen
D. Argon
The ozone at ground level is primarily from ______________ precursors.
A. Fossil fuel
B. CFCs
C. Oxygen
D. Methane
