Which of these two words — concrete and obvious — can we use in this sentence, or are they both possible?
“The Moon’s surface shows _________ evidence of having been affected by impact cratering, which occurs when asteroids and comets collide with the lunar surface.”
I want to learn if there is a difference between “concrete evidence” and “obvious evidence”. Are they interchangeable in all situations or is there any difference in meaning or contextual usage?
Both would work in the sentence but the meaning is a little different.
Evidence that has been backed up by clear and trustworthy research.
Evidence that is clearly true but not necessarily backed up by