Question

Which sentence correctly uses

the first definition for trace?
A. I can detect the slightest trace of onion in
this soup
B. The investigator found a trace of gunshot
residue at the scene.
C. I had to trace my steps to find where!
left my keys.

Answer 1

C

Step-by-step explanation:

The others make sense with the second definition which is an extremely small amount

Answer 2

B. The investigator found a trace of gunshot

It means to find or discover by investigation.