Dan studied two groups of individuals. Group S that had sickle cell anemia, and group B which had normal hemoglobin. He was fascinated by the results. Which group didn't have a specific mutation in the primary sequence of their hemoglobin molecules?
Ans: group B

Greg was studying Bohr's model. He found it helpful to categorize different scenarios in the model. First, he labeled electron with higher energy as cat A, and electron with lower energy as cat B. Then he labeled electron that gained energy as cat C, and election that lost energy as cat D. Would cat D Jump to higher level or go to lower level?
Ans: go to lower level

Danny owned two parcels of land. parcel A had a soil with high salinity levels, while parcel B had a rich and healthy soil. Which parcel had fewer plants which presented altered enzyme functions?
Ans: parcel A

Xuejiang, a town in China, recently increased their levels of steel and construction materials production. The factories that produce these materials have been burning high levels of fossil fuels to support this production. Ontario, meanwhile, has been burning low levels of fossil fuels thanks to investment in alternative energies, and a general decrease in the manufacturing industries there. Which area will contribute less to global warming, Xuejiang or Ontario?
Ans: Ontario