Answer:
From 1945–1955 the development of penicillin, which is produced by a fungus, along with streptomycin, chloramphenicol, and tetracycline, which are produced by soil bacteria, ushered in the antibiotic age.
Explanation:
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Answer:
C
Explanation:
The hot air and cold air mix making it updraft and downdraft
Myeloid stem gives rise to all formed elments
