How would you judge the value of the relationship between humans and bacteria?

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

asap plz when a charge is dropped from a felony to a misdemeanor, which type of plea bargain has happened? ? a. vertical b. horizontal c. avoidance of stigma d. reduced sentence