Unit Test — Unit test Answers

Which of the following is the most direct method for combating rainforest deforestation? a. ecotourism b. carbon credits c. rehabilitation d. education Please select the best answer from the choices provided

Surface mining is more ecologically damaging than subsurface mining.

How is over-irrigation damaging to soil?a.It reduces the amount of organic material in soil.b.It results in the accumulation of salt near the soil surface.c.It increases the acidity of soil.d.It removes water from the water table.

Which of the following statements about horizons is true? a. They are characterized by whether they are solid, liquid, or gas. b. They are represented by Roman numerals. c. All soils have completely different horizon patterns. d. They are defined by their different physical features. Please select the best answer from the choices provided

Rainforest deforestation is contributing to _______.a.a decline in global biodiversityb.the reduction of greenhouse gasesc.increased soil moistured.increased drug discoveries