4. Coloque RESPIRACION O FERMENTACION SEGÚN EL CASO: A
..produce una cantidad considerable de energí
b.
necesita oxigenoa
produce una cantidad pequeña de energía
d.
no necesita oxigeno
C.

low  

explanation:

cause i said   ╾━╤デ╦︻

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.

yes

explanation

they do and it slaps