Eutrophication refers to a process of change that takes place in a body of water. Which of the following causes eutrophication? A)CFCs
B)acid rain
C)thermal pollution
D)excessive nutrients

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

Using the periodic table, determine which material is most likely a good conductor

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down