When Lin Min and her father visited the Dayi Mountain Scenic Area in Guanyun County of our city during the May Day holiday, they realized that chemistry was around us. (1) My mother made it for her.

(1) The six nutrients needed by human body include sugar, protein, oil, vitamins, water and inorganic salts, and fruits contain vitamins, water and sugar; The food that can supplement rich vitamins for human body is apple; So the answer is: Apple.

(2) No matter what state the components in a substance exist, the number of protons remains the same, so Ca and Zn in the title refer to elements; Flushing toilets with water for washing vegetables and washing rice can save water resources, so the answer is: elements; Flush the toilet with water for washing vegetables and washing rice.

(3) Waste plastics are the main cause of white pollution, so the answer is: white pollution.

(4) When soapy water is added to the water, if there is more foam, it is soft water; If there is little foam, it is hard water. So the answer is: B.

(5) Because trees are flammable, the fire source should be eliminated in the forest, and it is forbidden to bring kindling into the forest. So, the answer is: fire prevention.

(6) Lime water is an aqueous solution of calcium hydroxide, which has bactericidal effect and can be used for disinfection and insect prevention, so the answer is CD.