Instantly. I believe it is a viscera thing; from sight, sound, smell -- all the senses are involved to form that first impression. It is extremely difficult, if not impossible to correct or recover from a bad first impression.
Imprints or impressions of such things as footprints or trails are generally referred to as trace fossils. Body impressions are called mold fossils, and molds that are filled in are called cast fossils.
Mercury
No, rocks that are 3.5 billion years were not present when earth was first formed. Earth formed about 4.6 billion years ago.
mercury
Sorry, when the earth first formed it was entirely molten, so the first solid rock on earth was igneous.
Yes, Davis's impressions of the German army were borne out by events in the first year of the war during World War I. More specifically, his impressions were formed at the beginning of the war when the Germans invaded Belgium.
First impressions are the initial judgments individuals make about someone upon meeting them for the first time. These impressions are formed quickly and can influence how a person is perceived and treated in social interactions. First impressions are known to be powerful and can be difficult to change once established.
First Impressions - musical - was created in 1959.
First Impressions of Earth was created on -20-05-01.
First Impressions - Angel - was created on 2000-10-10.
social
The original title for "Pride and Prejudice" was actually "First Impressions." Jane Austen later changed it to the title we know today.
stereotyping
stereotyping
First Impressions - 1988 was released on: USA: 27 October 1988
The cast of First Impressions - 2008 includes: Mark Cousins
First Impressions - 2012 was released on: USA: 10 December 2012 (internet)