The large number of alveoli in lungs improve diffusion by
a. decreasing the distance for diffusion
b. increasing the surface area for diffusion
c. increasing the concentration difference
d. changing the diffusion constant

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

Microorganisms aren’t all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer