Many people hope that solar energy will produce a clean, nonpolluting means heating our homes and offices. This is a fact.
举一反三
- Which of the following belongs to clean and renewable energy? A: Geothermal energy B: Solar energy C: Wind energy D: Nuclear energy
- ___________, _____________, and _____________ directly use solar energy to produce organic molecules from carbon dioxide.
- What is the most important factor for a basic fact to become a historical fact? A: The significance of the fact. B: The truthfulness of the fact. C: Historian’s interpretation. D: Common people’s interests.
- Solar panels, wind turbines, hydro power and geothermal energy and hydrocarbons (natural gas or coal) can all be used to produce hydrogen (a primary energy).
- Which of the following is clean source of energy () A: Coal B: Oil C: Solar D: Natural<br/>gas