Kitchen culture and food culture are broad and profound, firewood, rice, oil, salt, sauce and vi

(1) Eggs are rich in protein, apples and cabbage are rich in vitamins, and noodles are rich in sugars

So the answer is: a

2) Iron is the main element in the synthesis of hemoglobin, and iron deficiency anemia is caused by lack of iron; Vitamin C deficiency in the human body can cause scurvy

So the answer is: anemia; Scurvy

We can smell the special fragrance of durian because the molecules in durian that contain a special fragrance are constantly moving, and the movement into our nose indicates that the molecules are constantly moving

So the answer is: the molecules are in constant motion

3) Zinc is an essential trace element for the human body

So the answer is: zinc

4) A, C, and D are all metal materials, and B plastic tableware is an organic synthetic material, so the answer is B