Answer:
D
Explanation:
The atmosphere is not an eycosystem
Answer:
Explanation:
hepatic portal vein is a blood vessel that carries blood from the gastrointestinal tract and spleen to the liver. This blood are usually rich in nutrient because it contains extraction from digested materials or food substances in the gastrointestinal tract and it is processed in the liver for removal of toxins before the blood returns to the heart.
Answer:
Look at the picture below!!!
Explanation:
Tour you’ve is no a animal so what you mean I don’t know what a tourtis is ?
Answer:En los EE. UU., el agua se usa de muchas maneras, incluso para consumo humano, riego agrícola, enfriamiento de plantas de energía y generación de energía hidroeléctrica. Además, los ríos, lagos y océanos permiten actividades de navegación, pesca y recreación.
