Above what ?
<span><span>Specificity:
</span>If a person does not have the disease how often will the test be negative (true negative rate)> </span><span>In other terms, if the test result for a highly specific test is positive you can be nearly certain that they actually have the disease.</span>
The correct answer is B.
Freezing of glaciers would do absolutely nothing to the salinity, as for hot weather and evaporation would leave behind the salt and thus INCREASING the amount of salt to water in the ocean.
B. Tree rings and C. Ratio of c-12 to c-14 in a bone sample
C) Transfer ? I would say because it's being transferred from the shoe to the ground.