We can’t see the picture :(
Maybe post another question but with the picture
Answer:
Benzylpenicillin, also known as penicillin G, is an antibiotic used to treat a number of bacterial infections. This includes pneumonia, strep throat, syphilis, necrotizing enterocolitis, diphtheria, gas gangrene, leptospirosis, cellulitis, and tetanus. ... Benzylpenicillin is given by injection into a vein or muscle.
Explanation: https://pubchem.ncbi.nlm.nih.gov/image/imgsrv.fcgi?cid=5904&t=l
Answer:
The spreading center is colder and has less sediment than the plains
No because they would not be able to hear it.