Which of the following is not a reason earthworms increase the fertility of the soils in which they reside?
A) Formation of aggregate soil particles
B) Mixing of leaf litter
C) Increased nitrification
D) Increase of soil nutrients
E) Stimulation by plowing for agriculture
Answer: E
You might also like to view...
Chinese interregional migration in recent years has primarily been from
A) mountain regions to coastal regions. B) big cities to medium size cities. C) rural to urban areas. D) urban to rural areas. E) factory jobs to farming jobs.
How many calories of are required to heat 731 grams of water from 35°C to 83°C? (Assume that the specific heat of water is 1.00 cal/g·°C)
A) 15 cal B) 7.3 x 10^2 cal C) 2.6 x 10^4 cal D) 3.5 x 10^4 cal
On a world map of climate regions, the lines that separate the regions mark locations of abrupt changes in temperature or precipitation conditions
Indicate whether the statement is true or false
By far, the greatest use of IR scanning systems has been ________
A) to penetrate clouds B) onboard meteorological satellites C) in surface weather thermometer shelters D) in making orthophoto quadrangles E) to sense underwater features