In a plant, the leaves allow gases to be exchanged. which structure in the human body is similar in function to leaves? a. the pancreas b. the urethra c. the alveoli d. the nerves

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

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?