"it is observed that those who report the highest intake of added sugars in their diet are at an increased risk of developing diabetes and heart disease. what kind of study is this? "

Dean has been collecting data on the health risk related to eating too much fast food. which of these would not be a valid conclusion that dean could develop? a) the food in fast food restaurants tastes really good. b) people who eat fast food three times a week are more likely to be obese. c) the chemicals found in the "special sauce" can be linked to acid indigestion. d) eating at fast food restaurants twice a week may lead to increased chance of heart attack.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?