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OLga [1]
3 years ago
12

Which factors improve soil fertility? Select the three correct answers. A- earthworms B- horizons C- high pH D- Humus E- Bacteri

a
Physics
1 answer:
inysia [295]3 years ago
4 0
A- earthworms
Because they put nutrients and things in the soil which make it fertile.

The other two I’m not sure of.. maybe C and E
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