Answer:
pathogens → exposure → sickness sicknessjust took the test the test and its correct
Explanation:
Infectious diseases are transmitted from person to person by direct or indirect contact. Old people, pregnant people, and infants can get sick easier. Certain types of viruses, bacteria, parasites, and fungi can all cause infectious disease
Adults should<span> do at least 2 hours and 30 minutes </span>each week<span>of aerobic </span>physical activity<span> at a moderate level OR 1 hour and 15 minutes </span>each week<span> of aerobic </span>physical activity<span> at a vigorous level.</span>
This is heavily disputed, and honestly, it varies on a person-by-person basis. Some people are visual learners (so it's effective for them to use videos and pictures to help them study), some prefer being hands-on, etc...
Generally though, I'd say the most effective method that works for most people is through visceralisation. This is the process of associating concepts, words. phrases etc. with your different senses (sound, touch, images...). You can read up more on it by searching up "visceralisation for studying".