The correct answer is - A. replacing natural vegetation with cultivated crops.
The natural vegetation is perfectly adapted to a certain environment, and it is also able to keep the soil tight with its roots, so the erosion is minimal.
When the natural vegetation is replaced by cultivated crops, than a problem occurs in the erosion of the soil. That is because the cultivated crops, in general, do not have root systems that are as strong and widespread as the natural vegetation, thus the soil becomes loosened up, so it is much easier to be eroded.
Answer:
c. The inter-tropical convergence zone is associated with a migratory band of high pressure cells, bringing moderate precipitation to low-latitude areas.
Explanation:
- The relationships with the high and low-pressure areas and the average annual rainfall are associated with the divergence and the convergence of the air along the ITCZ zone and are formed by the migration of the pressure cells that bring moderate to heavy rainfall in lower latitudes.
D. exhausting a natural resource is not sustainable
Answer:
nakaka tuling ito para sa pagunlad ng ating bayan at para rin marami na ang mag hahanap buhay
