Why does it get more difficult to do a wall sit as the time passes?

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 energy needs of a human population are not affected by

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary