Each person ran one mile 3 times and had their heart rate recorded. Can you think of any reasons why the 3 measurements were not always exactly the same, even though it was the same person and the same distance?

Which are forms of nitrogen that are usable by humans

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

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. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).