5)A soil profile includes all of the following EXCEPT; a)Hot liquid magma b)Top
ID: 275563 • Letter: 5
Question
5)A soil profile includes all of the following EXCEPT;
a)Hot liquid magma
b)Top soil and organic layer
c)Weathered and parent rock
d)Subsoil
6)People have made land more vulnerable to erosion through the following;
a)Clearing forests on steep slopes or with large clear cut areas.
b)Overgrazing rangeland with more livestock than the land can support.
c)All of the above.
d)Overcultivating fields through poor planning or excessive tilling.
7)The following is true concerning the rotation of crops in a field;
a)Only A.
b)Farmers rotate soybeans with corn to help increase nitrogen in the soil.
c)Return nutrients to the soil.
d)Both A and B.
8)The use of inorganic synthetic fertilizers have resulted in the following;
a)Greatly boosted our global food production.
b)Less energy consumed in the production of the fertilizers.
c)Fewer pollution problems with water supplies.
d)None of the above
9)The following are true concerning pesticides EXCEPT;
a)Exposure to pesticides has NO severe health consequences for people.
b)Most of the pesticides are applied to agricultural land.
c)Most pests evolve resistance to pesticides over time.
d)As industrialized farming has increased, so has the use of pesticides.
10)Genetically modified organisms (GMO) are organisms that have been genetically engineered using
a)Only choice B.
b)DNA from several different organisms and different species.
c)Only genes from similar organisms in the same species.
d)Both A and B.
a)Hot liquid magma
b)Top soil and organic layer
c)Weathered and parent rock
d)Subsoil
6)People have made land more vulnerable to erosion through the following;
a)Clearing forests on steep slopes or with large clear cut areas.
b)Overgrazing rangeland with more livestock than the land can support.
c)All of the above.
d)Overcultivating fields through poor planning or excessive tilling.
7)The following is true concerning the rotation of crops in a field;
a)Only A.
b)Farmers rotate soybeans with corn to help increase nitrogen in the soil.
c)Return nutrients to the soil.
d)Both A and B.
8)The use of inorganic synthetic fertilizers have resulted in the following;
a)Greatly boosted our global food production.
b)Less energy consumed in the production of the fertilizers.
c)Fewer pollution problems with water supplies.
d)None of the above
9)The following are true concerning pesticides EXCEPT;
a)Exposure to pesticides has NO severe health consequences for people.
b)Most of the pesticides are applied to agricultural land.
c)Most pests evolve resistance to pesticides over time.
d)As industrialized farming has increased, so has the use of pesticides.
10)Genetically modified organisms (GMO) are organisms that have been genetically engineered using
a)Only choice B.
b)DNA from several different organisms and different species.
c)Only genes from similar organisms in the same species.
d)Both A and B.
Explanation / Answer
Ans 5 : A) Hot liquid magma
The complete soil profile contains three layers :
the top soil - it contains the weathered plants and animals : Humus
The subsoil - it contains clay and iron oxides
The bottom layer layer - it has weathered rock material
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.