If we need to grow 50 percent more food to supply the Earth's population

increase by 2030, what is the most likely result?

New sources of freshwater will be discovered.

The current supply of freshwater will be increased.

The increased use of chemical fertilizers will continue to contaminate freshwater. 

There will be increased demand for freshwater for irrigation purposes.

a and b.

c and d
10 points 


    
Which of the following is a true statement?

The world population is increasing, and so is food production.

The world population is increasing, causing a massive food shortage.

Globalization is responsible for the current crisis in food production.

Globalization is responsible for a massive food shortage in the world.

 
At the present rate of economic growth in the developed world, what can we expect for the future?

A decrease in the availability of freshwater will make irrigation more limited.

Major grain-producing areas will find new sources of freshwater for irrigation.

Less fossil fuels will be used because of the increase of nuclear energy.

New sources of food and energy production will make climate change less of an issue.