1 answers
-
(1)A
2) Traces. 3) plastic products such as plastic films; Synthetic rubber products or man-made fiber products (reasonable enough) (4) thermal conductivity; Keep the surface of iron products dry, etc.
Related questions
1 answers2024-08-17
(1) Vegetables are rich in vitamins, milk is rich in protein, and rice is rich in sugar; >>>More
Chemistry is closely related to life, and there is a lot of chemistry knowledge in the kitchen: 1) T
6 answers2024-08-17
1) Vegetables are rich in vitamins, milk is rich in protein, and rice is rich in sugars; >>>More
Chemistry is closely related to life, and there is a lot of chemistry knowledge in the kitchen: 1) T
2 answers2024-08-17
(1) In tomatoes, milk, rice, and eggs, tomatoes are relatively rich in vitamin content; >>>More
1 answers2024-08-17
We often use detergents to clean the grease on the dishes, because the detergent has the function of emulsifying. >>>More
2 answers2024-08-17
Because the large balcony of the residence is generally the part where the ladder for the rescue is reached.