Answer the questions according to the text.
1. What will happen if billions of annual emissions increase?
If billions of annual emissions increase, greenhouse concentrations in the atmosphere will continue.
2. What would happen if emissions stopped increasing?
If emissions stopped increasing , atmospheric greenhouse gas concentrations would continue to warm.
3. What happens if carbon dioxide (CO2) emissions in the atmosphere dissolve in the ocean ?
If carbon dioxide (CO2) emissions in the atmosphere dissolve in the ocean , oceans become more acidic .