Is this AND or OR?

will this require both position and biome? or position or biome?
    {
        "condition": "minecraft:location_check",
        "predicate": {
            "position": {
                "y": {
                    "min": 55,
                    "max": 320
                }
            },
            "biomes": [
                "minecraft:ocean",
                "minecraft:deep_ocean",
                "minecraft:cold_ocean",
                "minecraft:deep_cold_ocean",
                "minecraft:lukewarm_ocean",
                "minecraft:deep_lukewarm_ocean",
                "minecraft:warm_ocean"
            ]
        }
    }
]```