planting
Both. Zinc can be found in nature and also can be manmade.
There is the: abiotic factors (water, sunlight, soil, and rocks) hope this helped :D
abiotic factors
yes
It's manmade and is not found naturally anywhere
what 5 different ecosystems can be found in North Dakota
chickens and dough
The four main factors that affect aquatic ecosystems are waters depth, temperature, flow, and amount of dissolved nutrients.
biotic factors
Biotic
Ecosystems
Hemoglobin is a natural compound found in blood