A food wed is about who eat who like for example I think the human are on the top of the food chain because no one eat him
Answer: Farming
Explanation: Plowing the land is the first source of wealth.
Answer:
n stage 13, all four limb buds are present. In stage 13, the upper limb buds resemble flippers. In stage 23, the upper limb shows well-formed arm, elbow, wrist, and fingers. In stage 23, the lower limb shows well-formed toes, feet, and knees.
Explanation: