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Let’s solve this step by step.

We are given a list of 15 items, and we need to sort them into two groups: Abiotic Factors and Biotic Factors.

First, let’s remember what these mean:

- Biotic factors = living things or things that were once alive (like plants, animals, fungi, bacteria).
- Abiotic factors = non-living parts of an ecosystem (like sunlight, water, rocks, temperature).

Now, let’s go through each item one by one and decide which group it belongs to.

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1. Wind → Not alive. It’s moving air. → Abiotic

2. Soil → Made of minerals, dead stuff, but not alive itself. → Abiotic

3. Sunlight → Energy from the sun. Not alive. → Abiotic

4. Water → Liquid. Not alive. → Abiotic

5. Temperature → Measure of heat. Not alive. → Abiotic

6. Rocks → Solid mineral. Not alive. → Abiotic

7. Air → Mixture of gases. Not alive. → Abiotic

8. pH → Measure of acidity. Not alive. → Abiotic

9. Salinity → Saltiness of water. Not alive. → Abiotic

10. Plants → Living organisms. → Biotic

11. Animals → Living organisms. → Biotic

12. Fungi → Like mushrooms — living. → Biotic

13. Bacteria → Tiny living organisms. → Biotic

14. Decomposers → Organisms that break down dead stuff (like worms, fungi, bacteria) → Biotic

15. Producers → Plants and algae that make their own food → Biotic

Wait — let’s double-check #14 and #15. “Decomposers” and “Producers” are roles played by living things, so they count as biotic even though they’re categories, not specific organisms.

Also, note: sometimes people get confused about soil — it has living things in it, but soil itself is considered abiotic because it’s mostly dirt, sand, clay, etc.

Same with air — it has oxygen for living things, but air itself isn’t alive.

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Now let’s list them clearly:

✔ Abiotic Factors:
- Wind
- Soil
- Sunlight
- Water
- Temperature
- Rocks
- Air
- pH
- Salinity

That’s 9 items.

✔ Biotic Factors:
- Plants
- Animals
- Fungi
- Bacteria
- Decomposers
- Producers

That’s 6 items.

Total: 9 + 6 = 15 ✔️

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Final Answer:

Abiotic Factors: Wind, Soil, Sunlight, Water, Temperature, Rocks, Air, pH, Salinity
Biotic Factors: Plants, Animals, Fungi, Bacteria, Decomposers, Producers