Select the correct text in the passage. Which part or parts of the paragraph indicate the relationship between public support and the enforcement of environmental policies? A new manufacturing company was the brainchild of five engineers. They created a device that controls a company’s carbon footprints.

To spread awareness for their own benefit, they proposed a legislative bill related to tracking and controlling carbon footprints.

They constantly followed up with congressional representatives and found a sponsor and several co-sponsors for the bill.

theirs two answers

Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?