Answer:
The correct answer is climatic factor.
Step-by-step explanation:
An abiotic factor that can be witnessed in a rainforest ecosystem is the climatic factor. The climate in combination with the nature of the soil and water in the region determines the kind of organism found in that particular region.
Among the abiotic factors, the most essential one are the climatic and the edaphic factors. The climatic factors comprise water, air, temperature, light, and humidity, and the edaphic factor signifies towards the soil.