Answer:
this is possession. theyre/their/there
Answer:
can't help if you don't have pictures or better explanation
A, I am deeply sorry if I am wrong, humanity make mistakes and I am part of humanity.
A because they all have the -ing
Answer:
their common passion for paleontology and mutual disdain for each other fueled their ambition, ultimately leading to the discovery of over a hundred new species in America. At the same time, their bitter rivalry damaged their reputations and left the two almost penniless at their deaths.