Soils of the tropics will greatly affect future food supplies. Which of the following is correct in relation to these soils?
A) Alfisols are widespread in the tropics, especially in humid areas.
B) Aridisols are scarce in the tropics, especially in Africa.
C) Mollisols developed on alluvial parent materials are prized as productive rice soils.
D) Oxisols and Ultisols are highly leached and low in available nutrients.
E) Oxisols and Ultisols dominate the semiarid areas.
D
You might also like to view...
A contractor with a policy protecting all installed work and covering the entire cost of the project is carrying _____ insurance.
a. general liability b. builder’s risk c. equipment floater d. worker’s compensation
Which of these is a single-wire serial communications protocol, using one master control module and many slave modules?
A) GMLAN B) Flexray BUS C) Motorola Interconnect (MI) D) Media Oriented System Transport (MOST)
What is the rule of thumb that determines if the noise on the jobsite is at a dangerous level?__________________________________________________________________________________________________________________________________________
What will be an ideal response?
Which sensor has a switch that controls the electric fuel pump?
A) Karman Vortex sensor B) Hot wire MAF C) VAF D) Hot filter MAF