Policies are primarily based on . A. research and statistics
B. international statistics and scientific hypotheses
C. what has worked in the past in similar situations
D. what has not worked in the past in similar situations

Look at the diagram showing the different wavelengths in sunlight. which statement describes electromagnetic waves with wavelengths greater than 700 nanometers? they take the form of heat. they can cause skin cancer and sunburn. they are some of the shortest waves. they can be seen by human eyes as visible light.