Is there any options to pick from?
Light is a transverse wave and this is what describes light as a wave. The correct option among all the options that are given in the question is the first option. Light is not at all similar to water and sound. It would be a big mistake to consider light as similar to the mediums water and sound. I hope the answer helps.
Tadpoles have gills allowing them to breathe underwater while frogs have lungs. Tadpoles have tails and fins to help them swim while frogs have arms and legs.
Grafting in citrus plants and mango, layering in jasmine
This is an experiment where the researcher manipulates one variable, and control/randomizes the rest of the variables. It has a control group, the subjects have been randomly assigned between the groups, and the researcher only tests one effect at a time.
