The answer choices are:
a. plant root structures and oxygen content b. soil temperature and water content c. nitrogen content and insect activity d. insect activity and plant root structures
The correct answer for above statement is:
b. soil temperature and water content
Explanation:
In biology and ecology, abiotic components or abiotic factors are non-living chemical and physical parts of the environment that influence living organisms and the functioning of ecosystems. Abiotic components include physical conditions and non-living resources that influence living organisms in terms of growth, maintenance, and reproduction.