the answer is a because if the model is based on experimental data it wont be good unless it has been tested.
<span>The correct answer is C. W</span><span>ater molecules go in both directions at the same rate/speed.</span>
B. Many predators have a keen sense of smell and good hearing
Most likely
Heat is caught in gases like methane and carbon dioxide and radiates back to earth. This causes the increase in temperature we call global warming.