The answer is B) Releases energy
The deer population would decrease as there is a scarce amount of plant life to support a large population of deer
The overdose amount varies by drug to drug.
In the video, Sir Richard Peto says the information that "smoking kills" and "smokers fie younger" doesn't provide enough details. He points out that smoking kills 1 IN 2 PERSON and smokers die 10 YEARS younger.
Sir Richard Peto is currently a Professor of Medical Statistics and Epidemiology at University of Oxford. He worked on smoking and smoking patterns and estabished a relationship on the health effects and smoking patterns.