The improvement of microscopy techniques in the late 1800s set the stage for the emergence of modern genetics because A) it revealed new and unanticipated features of Mendel's pea plant varieties. B) it allowed biologists to study meiosis and mitosis, revealing the parallels between the behaviors of genes and chromosomes. C) it allowed scientists to see the DNA present within chromosomes. D) it led to the discovery of mitochondria. E) All of the above are true.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

answer;

medical directors

explanation;

medical directors grants and supervises the privilege or permission to use an aed on an ambulance.

other roles of a medical director includes;

-provide medical leadership, including coordination with local ems and 911 centers.

-provide guidance in equipment selection and deployment

-develop guidelines for responder actions

-oversee medical care that is rendered through the program, including review of all responses to medical emergencies

-ensure appropriate initial training and skill maintenance

-assume overall responsibility for the conduct and operation of all patient care related activities