Which of these best explains why we check the breathing rate and volume of a patient with difficulty breathing?

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources? (site 1)

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?