it decomposes things and erosion of mineral
C. both biotic and abiotic factors in earth most ecosystems have both abiotic and biotic systems. They actually need both in order to survive.
Answer:
the answer is B
Explanation:
i took this class last year
Gymnosperms have cones, they’re sporophytes, so they’re capable of producing spores, they do reproduce by pollination and they’re vascular :)
ν=c/λ
c=300.000.000m/s=300.000.000.000.000.000nm/s
λ=532nm
v=300.000.000.000.000.000/532=5.6*10^14Hz(third option)