Leftover bits are commonly referred to as "scraps" or "trimmings." In cooking, they can also be called "remnants" or "leftovers." In the context of materials, such as fabric or wood, they may be termed "offcuts." These terms generally denote small pieces that remain after the primary items have been used or processed.
The word that means little bits of leftover food is "scraps." For leftover cloth or fabric, the term "scraps" can also apply, referring to small pieces that remain after larger portions have been used. Both usages highlight remnants that are often considered waste but can sometimes be repurposed.
You call the bits of soil sediment.
Leftover material can be referred to as scraps, remnants, or remnants.
An organism's remnant or leftover is referred to as a fossil.
8 Bits is one Byte. Half of a byte (4 bits) is a nibble.
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Small leftover pieces of cigarette are called cigarette butts.
16 bits is a byte, for the record half a byte is called a "nibble". I kid you not...
Gold in small bits or powder is called gold dust.
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Smaller rocks.