Complement preservation is possible if an organism is buried in

a. tar.

b. mud

c. tree sap

d. any of the above

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.

i think the answer is   b.