Xiao Ke and his classmates wanted to find out what rice vinegar, rice wine, milk, salt water, sugar

Conduct an inquiry into chemistry. The following experiments can not be completed using items in the kitchen are (D) A, to explore the conditions under which iron products rust B, to prepare shellless eggs C, to identify salt and soda ash D, to test whether tap water contains chloride ions A, iron can be placed in air, water, and sodium chloride solution to explore iron rust conditions B, the main component of egg shell is calcium carbonate, acetic acid can be removed. >>>More

Before the advent of psychoanalytic theory, the scientific community denied that dreams had any meaning. Of course, the scientific community at that time had an explanation for dreams -- it had an explanation for everything. Science is against nature. >>>More

The above picture is my personal suggestion, the main function is basically unchanged, I think other locations should not be, such as bathroom, kitchen, these two places have water supply, drainage pipes, ground waterproofing, etc. are not to be changed at will, after all, it also involves the roof problem of the downstairs residents, especially drainage, it is basically difficult to change.

No, try to buy one that can be disassembled, otherwise it will be dirty.

This is normal, okay, like that kind of living in the school, after the crutches are snapped, do you still take them away if you don't throw the toilet after the snap?