If the post number is divisible by 4 then he selects A
If the post number has a remainder of 1 when divided by 4 then he selects B
If the post number has a remainder of 2 when divided by 4 then he selects C
If the post number has a remainder of 3 when divided by 4 then he selects D
if it's a multiple of 4 then he chooses A
if when divided by 4 there is a remainder of 1 then he chooses B
if when divided by 4 there is a remainder of 2 then he chooses C
if when divided by 4 there is a remainder of 3 then he chooses D
A CERN’s proton vs nucleus collisions B Core of a high-mass star on its last day C Merging binary neutron star system D Relativistic Heavy Ion Collider
You have 23 hours to PM me your answer
No Research
GLGL
I had no idea who the guy was, so went for the absurdly high answer. Then I googled him, and saw something about him being active for 88 years and thought I had it wrong. What a pleasant surprise
B Core of a high–mass star on its last day 3 GigaKelvin C Merging binary neutron star system 350 GigaKelvin D Relativistic Heavy Ion Collider 1 TeraKelvin A CERN’s proton vs. nucleus collisions 10 TeraKelvin