The Antarctic ozone hole are:
A.The name given to the first report of changes in the amount of ozone
B.The upper layers of the atmosphere over the south pole
C.Both (a) & (b)
D.None of these
A.The name given to the first report of changes in the amount of ozone
B.The upper layers of the atmosphere over the south pole
C.Both (a) & (b)
D.None of these
A.The most valuable and the richest ecosystems on earth
B.They play a critical pat in the earth’s life support systems and house 50% and possibly as much as 90% of all the species on earth
C.They are a key storehouse of foods, oils and minerals and source of ingredients that make up a range of medical treatments
D.All of the above
A.A group of plants which include maize and sorghum
B.The process of carbon fixation usually found in tropical plants with high growth rates
C.Both (a) & (b)
D.None of these
A.The process by which plants and animals become accustomed to unusual environmental conditions
B.That they are able to live and produce
C.Both (a) & (b)
D.None of these
A.A dense accumulation of only partially decomposed plant materials which has formed in wetlands over a period of thousand of years
B.It collects in still water which does not have enough oxygen to complete the total process of decay
C.Both (a) & (b)
D.None of these
A.The large coniferous forest areas in the northern hemisphere between the latitudes of 50
B.Large areas of boreal forest are found in Scandinavia, Siberia and Northern America
C.Both (a) & (b)
D.None of these
A.A type of pollution which washes out of the atmosphere as dilute sulphuric and nitric acids
B.It tends to be a regional rather than a global phenomenon linked to particular industrial activities and meteorological conditions
C.Both (a) & (b)
D.None of these
A.The protected land and coastal areas
B.That are approved under the Man and the Biosphere
C.In conjunction with the Conception on International Trade in Endangered Species (CITES)
D.All of the above
A.Apiary
B.Apiology
C.Apitoxin
D.Bee(s)
E.All of the above