Why is lazzaro spallanzani’s gastric juice experiment an example of creativity in science?

The correct answer is - he found a new way to find the action of gastric juice with available techniques.

Explanation:

Lazzaro Spallanzani was an Italian physiologist and biologist who describe the action of gastric juice with limited techniques with his creative thinking.

He dissected animals to find out the mechanism of digestive action. He performs an experiment on animals and uses them as a model for human digestion. He designed the experiment and first to tell the action of the gastric juice in the digestive process.

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave