Suppose a small river with a population of 10000 frogs becomes polluted with cadmium to a level of 3 mg per gallon per day, about how many bullfrogs would be expected to die?

A) about 3,000

B) about 7,000

C) about 8,500

D) about 1,500

A distraught patient is admitted to the emergency department with symptoms of palpitations, tachycardia, chest pain, and shortness of breath that started 30 minutes ago. the physical examination reveals no physiologic basis for the symptoms.

The strong structure that forms the anterior roof of the mouth is called the? A. Uvula B. Soft palate C. Hard palate D. Vestibule

How is down syndrome inherited

An Rh + mother should be concerned if she is pregnant with an Rh - baby. True or False

If you were an ecologist what is the organism would study in list five abiotic and biotic things it is connected to

Select the correct answer. How is a conductor different from an insulator? A. The free movement of electrons within a conductor permits the transfer of charge. B. The free movement of protons within a conductor permits the transfer of charge. C.

Compare the hibiscus and spider lily pollen grain structure

Which macromolecule is responsible for catalyzing biochemical reactions?

The crystals of a mineral are always the same size.

Suppose two suspects in a crime have dna profiles that match the one dna fragment tested what should happen next