Since the 1970s, the Mean Global Temperature Has Risen by About

Q31: The continents have been in the exact

Q32: Most experts agree that the process of

Q33: Carbon dioxide is released to the atmosphere

Q34: Sea floor sediments provide useful climate data

Q35: We have not yet established the impact

Q37: List four greenhouse gases.

Q38: Carbon dioxide is the only greenhouse gas

Q39: CO₂concentrations today are not any higher

Q40: It is believed that the temperature rise

Q41: The combustion of coal and oil is