You can draw a free body diagram with two 250N forces acting on the human, one from each side. The net force is 0 because the two applied forces cancel each other out since they are in opposite directions.
Purpose and Research to form your hypothesis
A sudden shift in the tectonic plates of the earth
Answer is: the part of an experiment that stays the same though out the experiment is constant.
<span>Constant is a quantity that does not change.
</span>Experimental variable<span>, which is the also part of an experiment, is affected by the experiment (have change).</span>
The pancreas produces specific fat-friendly enzymes (e.g. pancreatic lipase) that helps to chemically break fats into smaller molecules (fatty acids and glycerol), which are then in a more suitable form to be absorbed in the small intestine.