Put a couple of spoonfuls of the fizz powder into the glass of water and stir. That's the carbon dioxide from the reaction between the baking soda base and the citric acid in the drink mix. Be sure to taste it. You may need to add more powder to make it taste right. The answer to that question is easy but surprising.
Botany is the scientific study of plants.
According to the laws of botany, a fruit is the part of a plant that contains the seeds. A vegetable is any other part of a plant that we eat that isn't a fruit. Take a look at the produce in your refrigerator and the cans in your cupboard. Make a list of the things with seed and the things without. Earthworms are more important than most people think.