Respuesta :
The announcements about biogeochemical cycles are genuine is that oxygen cycles, nitrogen, and oxygen cycles are biogeochemical cycles. a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a synthetic substance moves.
Answer:
It is D
Explanation:
all the others are false
a.
Biogeochemical cycles are cycles involving only nonliving components.
b.
The rock cycle is a biogeochemical cycle.
c.
Biogeochemical cycles are not an important part of the Earth system.
d.
Carbon, nitrogen, and oxygen cycles are biogeochemical cycles.