A: carbon dioxide
B: dust particles
C: water vapor
D: sunlight
举一反三
- Scientists figured out that human bodies are basically made of（） A: hydrogen, carbon, nitrogen, and oxygen atoms B: water vapor, ammonia, carbon dioxide, methane and hydrogen C: biomolecules and water D: evolutionary molecules
- Which of these anthropogenic greenhouse gases is the biggest contributor to net radiative warming? A: Methane B: Nitrous oxide C: Water vapor D: Carbon dioxide
- Scattering is the change in the direction of electromagnetic energy caused by ( ). A: Particles suspended in the atmosphere B: Water droplets C: Large molecules of atmospheric gases D: Dust
- This main idea of the country A: the formation of sugar B: the role of water in a growing plant C: the functions of carbon dioxide and water D: the synthesis of water with carbon dioxide
- Dust consists of particles in the atmosphere that come from various sources such as . A: soil B: dust lifted by weather C: volcanic eruptions D: pollution
内容
- 0
Most of the water vapor in the atmosphere is contained in which layer of the atmosphere A: Troposphere B: Tropopause C: Stratosphere
- 1
The gas with maximum percentage in the atmosphere is ( ). A: nitrogen B: hydrogen C: oxygen D: carbon dioxide
- 2
Select all of the anthropogenic greenhouse gases covered by the Kyoto Protocol: A: HFCs, PFCs, SF6 B: Water vapor (H2O) C: Methane (CH4) D: Nitrous Oxide (N2O) E: Carbon Dioxide (CO2)
- 3
Why is more earth's heat blocked from escaping with more carbon dioxide in the atmosphere A: Carbon dioxide prevents the sun's energy from going back into space. B: Carbon dioxide radiates the sun's energy onto the earth. C: Carbon dioxide produces more heat in the atmosphere. D: Carbon dioxide takes in the sun's energy at infra-red wavelengths.
- 4
The particles in the atmosphere can affect the Earth's climate. A: air current B: dust C: clouds D: ays