## Chemistry (7th Edition)

There is undeniable evidence that the Earth's surface has experienced warming in recent years as a direct result of growing levels of greenhouse gases. According to research, the average temperature of Earth's surface has risen by approximately 1$^{\circ}$C since the year 1900.
There is undeniable evidence that the Earth's surface has experienced warming in recent years as a direct result of growing levels of greenhouse gases. According to research, the average temperature of Earth's surface has risen by approximately 1$^{\circ}$C since the year 1900.