Students were asked to evaluate how the height of a ramp affects the distance a matchbox car would run across a classroom floor. What is an example of a proper hypothesis in this experiment?

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

Name the glands associated with human digestive system

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?