The answer is concrete laundry trays.
This is because as concrete trays ages with timeit becomes coarse and rugged due to water, soap and detergents. Their smoothness gradually fades with time, thus this makes it not as good regarding to health wise standards of living.
It can be replicated by other experimenters and yield the same results shows the quality of a successful scientific experiment.
<h3>What is Scientific Experiment?</h3>
A scientific experiment refers procedure that is carried out in a building inorder to support or against an hypothesis or to determine whether the existence of something that has not been tried or it's efficacy.
This give insight about cause or effect of something by manipulating one of the factors.
Therefore, It can be replicated by other experimenters and yield the same results shows the quality of a successful scientific experiment.
Learn more about scientific method fro the link below.
brainly.com/question/8691391
Answer:
Swim bladder
Explanation:
Swim bladder is an organ in bony fishes such as catfish that controls their buoyancy. It is also known as air bladder. The swim bladder contains gas, mainly oxygen and functions as a hydrostatic organ.
As the fish moves in deeper water, the gas in the swim bladder is contracted which decreases the volume of swim bladder.
That will allow materials into via a passive transport Mechanism and as water and solute movement
