Explanation:
combustion happens when we dig up fossil fuel and burn it, so when we do that whatever is left goes into the air starting the carbon cycle again
plutoids hope this helps :)
Answer:
barter trade
Explanation:
because you exchange goods
Answer:
La saliva se compone de agua en un 99%, pero cumple un papel clave no solo para mantener la salud de la cavidad oral, sino también para la correcta deglución y digestión de los alimentos. Conoce sus funciones.
Mangrove forests were traditionally viewed as A. unproductive wastelands. People therefore reasoned that their removal would improve the health of their ecosystems, leading to their degradation.
