The diagram below illustrates the gas exchange that occurs in the alveoli. A diagram showing the process of gas exchange with labels Blood In, Alveoli, C O 2 Out, O 2 In, Blood Out. Image by Helix84 Where is the oxygen-rich blood flowing to? the lungs the upper body the lower body the heart

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you

the answer is cell division : )

the correct answer in apex is tissue development, i know because i just had this question