By the End of 2012,atmospheric Greenhouse Gases Had Again Reached

question 21

Multiple Choice

By the end of 2012,atmospheric greenhouse gases had again reached new highs-the highest levels in 800,000 years.In the twentieth century,average world temperature rose by 0.7°C.If current trends continue,scientists expect that the average range of temperature increase by the year 2100 will be

• A) 0.5-0.7°C.
• B) 0.7-1.0°C.
• C) 0.8-1.8°C.
• D) 1.0-2.0°C.
• E) 1.8-4.0°C.

---

Definitions:

Add

To combine one or more numbers or quantities to get a sum or total.

Inference Forms

Logical structures that guide the transition from premises to conclusions in reasoning.

MP

Member of Parliament, an individual elected to represent a geographic area in the parliament.

Behavioral Genetics

Quantitative study of relative hereditary and environmental influences on behavior.