Carbonates and hydroxides. Base salts.
I think the correct answer from the choices listed above is option A. Tuber is considered as a modified stem. These type of stems carry out special functions that are important for the plant to survive. Tubers serves as a food reserve and bearing buds wherein new plants can grow.
1. nuclear power emits low amounts of carbon dioxide.
2. this technology is readily available, doesn't have to be developed first.
3. it is possible to generate a high amount of electrical energy in one single plant.
