Why do people fart and sneeze at the same time.

A(n) is a molecule influences the way that a molecule reacts.

At the beginning of the virtual lab, you were asked to sort eight lizards into categories. what criteria did you initially use to make your groups? did you revise your criteria later? why?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. show the flow of energy in the following ecosystem by labeling each organism's link in the food chain. click once to select a label. click again to place the label in the correct location.