Why is pe additive please

Biodegradable Polyethylene Additive is used to enhance the biodegradation of plastic by adding in hydrophilic parameters to the polymer chain. Polyethylene by itself can be consumed by microorganisms, as we have seen by the Staff at Ben-Gurion University in Israel.

Explanation:

a,b,d are the three sentences that use a reflexive pronoun

dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.