The scientists tracked several geeses flight paths.otherwise we can rewrite the sentence as "several geeses flight paths tracked by the scientists"
Because in those times, African Americans were rarely believed in court and he was afraid that even if he told to truth, he would be found guilty.
The answer is b hope this helps:)
division into two sharply contrasting groups or sets of opinions or beliefs.
"the polarization of society between rich and poor"
2.
PHYSICS
the action of restricting the vibrations of a transverse wave, especially light, wholly or partially to one direction.
"changes in polarization of light passing through the atmosphere"
hope this helps
