what button do i press to fix this these flying squares

i have some mods installed but i have no clue what this could be (it only shows on snowy mountains and water)

my modlist

• 2032 World Height
• 3d-Skin-Layers
• Armor Poser
• Attack Through Grass
• Axiom
• Axolotl Buckets
• Balm
• BetterF3
• BindCommands
• Capes
• Centered Crosshair
• Chalk
• Cloth Config v20
• Collective
• Continuity
• Controlling
• Crate Delight
• Create Fly
• Create: Handy Recipes
• Created Coins
• Cubes Without Borders
• Cull Leaves
• Cultural Delights Fabric
• Decocraft
• Display Delight [Fabric]
• Double Doors
• Durability Tooltip
• Easy NPC
• Easy NPC (Bundle)
• Easy NPC: Config UI
• Ecologics
• Enchanted Vertical Slabs
• Enhanced Voxy Addon
• Enhanced Voxy Core
• Euphoria Patcher
• Fabric API
• Fabric Language Kotlin
• Falling Leaves
• Farmer's Delight
• FerriteCore
• Forge Config API Port
• Fusion
• Fzzy Config
• GeckoLib 5
• ImmediatelyFast
• Iris
• Items Displayed
• Jade
• Jagm's Kiwis
• Journeymap
• Just Enough Items
• Litematica
• Lithium
• Lovely Snails
• M.R.U
• MaLiLib
• Macaw's Doors
• Macaw's Fences and Walls
• Macaw's Lights and Lamps
• Macaw's Paths and Pavings
• Macaw's Stairs and Balconies
• Masonry
• MidnightLib
• Mod Menu
• More Axolotl Variants API
• More Axolotl Variants Mod
• More Culling
• More Delight
• MoreDelight Patch
• Mouse Tweaks
• Moving Elevators
• OceansDelight-Port
• Particle Core
• Pick Up Notifier
• Placeholder API
• Polymer
• Profiler
• Puzzles Lib
• Rechiseled
• Rustic Delight
• Searchables
• Sodium
• Sodium Shadowy Path Blocks
• Sooty Chimneys
• Sounds
• Spanish Delight Refabricated
• Storage Delight
• SuperMartijn642's Config Library
• SuperMartijn642's Core Lib
• Supplemental Patches
• Syncmatica
• Tool Trims
• Tree Builder
• Ube's Delight
• Untitled Duck Mod
• Voxy
• WaveyCapes
• Waystones
• Yeetus Experimentus
• YetAnotherConfigLib
• essential-container