What is the average air pressure exerted by earths atmosphere at sea level expressed in millibars and inches of mercury

Interferons play a vital role in the immune system why are interferons so important?

What does this experimental investigation lack

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum