uildup of heat-trapping greenhouse gases
举一反三
- Without greenhouse gases, the heat radiated from the Earth's surface<br/>would____. A: remain where it is B: warm up the Earth C: escape to space
- Greenhouse gases are part of the atmosphere.
- Some pollutants are called greenhouse gases because they . A: are beneficial for plant growth B: let sunlight enter the atmosphere but slow the loss of heat from the Earth's surface C: make up the majority of gases in the atmosphere D: none of the above
- Many experts hold that the forthcoming decline of polar bears is______. A: directly caused by the diminishing Arctic ice B: directly caused by the atmospheric buildup of heat-trapping gases C: a symbol of the weather change D: absolutely based on the emission of heat-trapping gases
- What activities will release more greenhouse gases?