3. How does the color of the ground affect the amount of warming? Use evidence from your observations to support your claim. BIU Score: 0/2 4. Offer an explanation for the conclusion you stated in the last question. Why do you think the ground color affected warming? BIU III Score: 0/2 5. You may not be familiar with all the gases shown above: . 02: Oxygen gas makes up about 20% of the earth's atmosphere. 2: Nitrogen gas makes up about 78% of earth's atmosphere CO2: carbon dioxide gas makes up about 0.04% of earth's atmosphere, but levels are increasing due to fossil fuel combustion. TFE: tetrafluoroethane is a human-made gas used in air conditioning. Levels in the atmosphere are low (about 10 parts per trillion or 0.000000001%), but increasing Which gases cause the greatest warming? Use evidence from your observations to support your statement. BIU Score: 0/2 6. Offer an explanation for the conclusion you stated in the last question. Why do you think some gases cause more warming than others? BIU Row Name Initial ... Final ... Chan... C var C var C var 1 ... O2 white 22.2 23.6 1.4 2 02 black 23.8 25.5 1.7 3 ... N2 white 22.1 23.3 1.2 4 N2 black 21.7 23.3 1.6 5 CO2 wh 21.5 23.3 1.8 6 CO2 black 22.3 24.2 1.9 7 ... TFE white 21.7 24.1 2.4 8 TFE black 21.9 24.2 2.3