Humus is: 1)the artificial fertilizer applied to monocultures

2)composed of organic compounds and increases the water-holding capacity of soils

3)one of the primary causes of desertification if present in excess

4) promotes eutrophication when agricultural practices allow it to get into waterways

Humus is composed of organic compounds and increases the water - holding capacity of toys

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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