Answer:
The correct option to the following question is a.) the black line representing 20th-century data.
Explanation:
Because all the computer generated forecasts predict the some global warming, but reducing the level of CO2 emissions will be significantly slow the rate of increase.
The computer generated forecasts is the casting of the weather by using the computer systems
Blind Carbon Copy
For emails. It is used to send a copy of the email to somebody without the original person receiving it knowing that you sent a copy.