People in the richer nations of the world use far more energy, especially energy from fossil fuels, than people in the poorer nations do. Having read the above passage, choose the right answer to the following question (choices are greater or lesser ): Jan lives in a great country and she is rich. Compared to another person in a richer country, Jan will use an amount of energy that is greater or lesser?
lesser

(Question)
Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common. Having read the above passage, choose the right answer to the following question (choices are more or less ): Eric notices an decrease in antibiotic resistance in a certain bacteria. The mutation that causes the resistance has become more or less common?
(Answer)
less

Ques: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in. Having read the above passage, choose the right answer to the following question (choices are greater or smaller ): If Jim eats animals that are lower on the food chain, the amount of toxic metals that enter his body are greater or smaller?
Ans: smaller

(Q).
When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive. Having read the above passage, choose the right answer to the following question (choices are increase or decrease ): If Mona is a non-smoker, but decides to start smoking, what happens to the difficulty her lungs experience in removing chemicals from the air increase or decrease?
(A).
increase

Ques:Lower rock layers were laid down earlier, so they are assumed to contain older fossils. Having read the above passage, choose the right answer to the following question (choices are younger or older ): As we dig deeper into rocks they get younger or older?

Ans:older

Ques: With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic. Having read the above passage, choose the right answer to the following question (choices are India's or United States' ): Bob is testing samples of ocean water from different places. The sample of water from off India's coast has less dissolved carbon dioxide, than the sample of water from off the United States' coast. Therefore, the water from India's or United States' coast is more acidic?
Ans:
United States'