Depending on the size of the fossil, anything from a micrometre to a metre.
These could all include the trace fossils. They would in things like gastroliths, coprolites, casts and molds, and imprints.
I would measure it in maters
No. Balances measure weight. To measure a stick, you would use a ruler or similar measure.
I would use vernier callipers.
By unit of length and distance and conversion ,we can say that the most appropriate unit to measure the length of a finger is cm.
The insect fossil would be examined for revelations about it's physical attributes and compared to other identified fossil and living insets. If the insect is unknown, it would be classified as a new species.
You don't measure with length. You measure the length of an object with a ruler. You would use inches or metres as your units.
I would measure it with a ruler.
Any measure of length will do, but the most common would be feet or meters.
You would answer it with cubic feet
length
A metres, for an approximate measure, a centimetre for a more accurate measure.
I would use feet
You would use meters.
These could all include the trace fossils. They would in things like gastroliths, coprolites, casts and molds, and imprints.
Inches
cm