Which kinds of pathogens caused most of the pandemics of the past? GIve at least 3 examples to back up your answer. Explain WHY this kind of pathogen is likely such a driver of pandemics. and from the pltw for biomed science

What is the best approach to selecting safety equipment for an activity

Why do you think mental illness is associated with obesity?

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly