Question

A pic of cardboard is completely immersed in water and soil . in each case what do you observe ? Explain difference and reason of ur observation please answer fast and comment my pic how I look ​

Answer 1

Answer:

Its because aluminum, in its conventional form, is denser than water, explains chemist Alexander Boldyrev from Utah State University. ... To their amazement, this crystal aluminum has a density of only 0.61 gram per cubic centimeter, in contrast to convention aluminum's density of 2.7 grams per cubic centimeter.