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Bacteria & amoebas are both smaller than dust mites.There are also atoms which everything you see & touch, even yourself are made up from.
Many things can be smaller than a rock, such as a pebble, a grain of sand, or even a speck of dust.
A shooting star is a small piece of dust or rock that burns up in the atmosphere. It is significantly smaller than the Moon.
Dust devils form in sunny weather while tornadoes require thunderstorms to form. Dust devils are much weaker and generally smaller than tornadoes as well.
an atom is about a trillion times smaller then a speck of dust.
Ceres is significantly smaller than the Moon. It has no atmosphere to speak of, and therefore no storms.
Pieces of dust or small meteoroids. Smaller than this are the electrons in the solar wind.
Blood cells are much larger than both dust mites and E. coli bacteria. A typical blood cell measures around 6-8 micrometers, while dust mites are around 200-300 micrometers in size. E. coli bacteria are even smaller, ranging from 0.5 to 5 micrometers.
At 250-300 microns(smaller than the period at the end of this sentence), dustmites are so small that bacteria and fungal hyphae can be a mouthful. We shed skin and hair, bacteria eat skin and hair,and mites devour bacteria. www4.ncsu.edu/~rrdunn/DustMiteArticle(Dunn).pdf
Well, you are turned into tiny radioactive pieces, each smaller than a single piece of dust.
Smaller than a cog in an engine could be a gear tooth, which is a component of the cog that engages with other gears to transmit motion. Additionally, components like bearings or even microscopic particles such as dust can be considered smaller than a cog. These smaller elements play crucial roles in the overall functionality and efficiency of the engine.