Answer:
The input or x value= spf
The output or y value= Minutes of exposure until sunburn
LD50 is used to express TOXICITY OF TOXINS AND POISONS.
LD50 stands for Lethal Dose 50. This is the standard measure of the toxicity of a material, which will kill half of the sample population of a particular test animal in a defined time period, when they are exposed to the material.
- The
storm must be developing over warm water. The water must be at least 80
degrees Fahrenheit. The warm water provides the energy for increased
evaporation of water from the ocean surface.
- The
warm water must be at least 200 feet deep
<span>- There
should be very little wind shear in the area. Wind shear occurs when there is a
difference in wind speed and direction over a short distance. Strong wind shear
can stop the formation of hurricane eye walls. </span>
