Answer:
B.Nitrogen-fixing bacteria
Explanation:
They clean the animals because, the oil will harm them otherwise. Meaning if the oil stay s on them long enough, it can harm them dramatically; In ways in which it may cause death.
Answer:
i dont know but my best guess is thAT YOU NEED TO GIVE EXAMPLES AND HAVE THEM WORK THATS MY BEST GUESS SOORY
the combination of its alleles