What is a precursor? select one: a. a substance that is used to synthesize another compound b. a sign or symptom of a subclinical vitamin deficiency disorder c. a conditionally essential vitamin d. a substance that is recycled through the liver and intestines e. a sign or symptom of a clinical vitamin deficiency disorder?

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data. me % babies born at different weights - babies born in that category which statement is a valid claim that could be made using the data in the graph? directional selection is occurring because the graph favors an extreme. mark this and totum save and exit next submit type here to search