The greatest visual evidence you can use when trying to determine if a solution is saturated is to look and see if everything in the test tube is a single color and a single consistency.
For group 16 elements, the atomic radii increases down the group as a shell of electron is added on each time.
Do you have a picture to go with it?
Answer:
is agriculture that makes healthy food,healthy soil,healthy plants and healthy environments a priority,along with crop productivity