Which type of pathogenic microbe causes aids?
(1) a bacterium
(2) a virus
(3) a multicellular fungus
(4) a single-celled algae

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.