answer- a substitute for blood plasma
1st- grrrangel 3 points
2nd- rymeister182 2 points
3rd- crabelle_jenn 1 point
From the 1960's to the 1980's many major North American petroleum companies had what kind of special laboratories? This branch of biology played a prominent role in 20th century petroleum exploration.
answer- stratigraphic palynology
1st- rymeister182 5 points
2nd- carabelle_jenn 4 points
thanks also to ,lj user="charisma"> for participating.