Answer:
greenhouses= desert
terrace forming=mountains
alley cropping= rain forest
hydroponics=desert
Explanation:
Both were powerful nations and they served as trading hubs in their respective regions during that time.
The ileo-cecal (I-C) valve or sphincter controls the passage of digestive material from the Ileum (small intestine) into the cecum (large intestine).
The upper most layer is the canopy
Cytoplasm or endoplasmic reticulum
