The principal natural soil-forming factors?
A.) are both dynamic and passivin nature.
B.) inlude clmate, parent maerial, tropography, biotic processe and time
C.) inclue peds, searates, solums, adhrizons
D.) are al inorganic
E.) both A and B are relate soil forming factors.
2.) Th worlds breadbaskets refers which biome?
A.) norther needeleaf forest ad montane forest
B.) midlatitude broadleaf an mixed forest
C.) alpine tundra
D.) midlatitude grassland
3.) At continude rates of speies extincition, it is possible half of the specie currently on earth could be extinct in _____ years.
A.) 900
B.) 100
C.) 400
D.) 1400
2007-05-22
15:09:25
·
2 answers
·
asked by
Kuldeep S
1