When a pathogen develops a resistance to a drug, this means that . the drug is no longer effective in combating the pathogen
the drug does not kill the pathogen, but stops it from reproducing
the pathogen is no longer recognizable by the immune system
the pathogen has mutated into a new strain

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.

Which diseases are drug abusers particularly susceptible to