Answer:
observation or experience
Explanation:
Empirical method is a study that uses indirect or direct observations in order to gain some knowledge. It uses empirical evidences-information that are collected through observation or experience.
Theory that is tested by empirical method involves the use of objective, that is observed, highly controlled and replicable.
Gibberellins break seed dormancy and promotes germination. However abscisic acid is the only hormone known to induce and maintain seed dormancy
A Solid has a fixed mass.
The cell wall gives strength to a cell.
Some common organelles of all cells are plasma membranes, ribosomes, and cytoplasm.