The alveoli are tiny air sacs in the lung. They have a relatively large surface area and thin walls. This structure allows- A) gases to pass through their walls easily
B) blood from the capillaries to be absorbed easily
C) the absorption of moisture from air in the lungs
D) the storage of as much carbon dioxide as possible

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

Construct an explanation about the function of mitosis for multicellular organisms

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen