#13

To get OAs at end of day fill up at least ONCE A DAY - http://bit.do/detafb

Question 1
Demand for water could rise by 55 percent, increasing __________ for
supplies and resulting in 40 percent of the global population living
in water-stressed areas, while plant and animal species could ________
by a further 10 percent.

a. Competition; frustration; demarcation;
b. Deteriorate; decline; extinct;

Question 2
The carbon dioxide ______ already is so large, and its lifetime in the
atmosphere is so long, that even a _______ to completely carbon-free
electricity couldn't stop temperatures from rising over the next 100
years.
a. Generation; reduction; burden
b. freeze; switch; amelioration