When first used in medicine in the 1940s, penicillin was uniformly effective in killing the bacterium staphylococcus aureus. today, has led to an increase in antibiotic-resistant alleles, and humans are increasingly at risk from untreatable staphylococcus aureus infections
Answers: 2
Biology, 21.06.2019 19:40, wweghorst8275
Astudent drew the following flowchart to show the movement of nutrients. soil β roots β plants β? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation
Answers: 1
Biology, 22.06.2019 14:30, mariap3504
The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping
Answers: 3
Biology, 22.06.2019 16:30, dexterwilliams161
Why are human population trends difficult to predict?
Answers: 2
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