Related Questions

From 1993 to 2007, the contribution of the adolescent fertility rate to the total fertility rate increased by ______ . 
A around 3%
B 4%
C slightly more than 4%
D 5%
Increasing the original price of an item by 15 percent and then increasing the new price by another 15 percent is equivalent to increasing the original price by
A 32.25%
B 31.00%
C 30.25%
D 35.54%
Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by --
A 32.25%
B 31.00%
C 30.25%
D 30.00%
Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by ---
A 32.25%
B 31.00%
C 30.25%
D 30.00%
Which of the following enhances soil fertility?
A Crop rotation
B Improved methods of agriculture
C Using new seed varieties
D Irrigation
The bacterium which reduces the fertility of soil is
A Nitrosomonas sp
B Azotobacter sp
C Nitrobacter sp
D Bacillus dentificans
Fertility of soil can be improved by ________
A Adding living earthworms
B Adding dead earthworms
C Removing dead earthworms
D Removing living earthworms and adding dead earthworms
What height must a satellite be placed above the surface of the earth in order for its rotation to be equal to earth’s rotation?
A 26,426.4 miles
B 27,426.4 miles
C 23,426.4 miles
D 22,426.4 miles
Who developed the idea of Crop Rotation?
A Charles Townshend
B Swede Svenson
C Potato Peterson
D Cabbage Carlson
Why is crop rotation necessary?
A To increase the fertility of soil
B To increase the quantity of minerals
C To reduce the quantity of proteins
D To plough various types of crops

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