Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance. Having read the above passage, choose the right answer to the following question (choices are lower or higher ): A pH value of 6 has a lower or higher acidity level than a pH value of 8?
higher

As the rocks move deeper into the Earth, temperature and pressure increase. Having read the above passage, choose the right answer to the following question (choices are lesser or greater ): Carter buries cans of soda in the dirt. The deeper the holes for the cans of soda, the pressure will be lesser or greater?
greater

Q: If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up. Having read the above passage, choose the right answer to the following question (choices are cooler or warmer ): If greenhouse gases in the atmosphere were to be doubled, Earth will become cooler or warmer?
A: warmer

Question: Decreasing air temperature increases atmospheric pressure. Having read the above passage, choose the right answer to the following question (choices are winter or summer ): If James measured the air pressure in the winter and compared it to the air pressure in the summer, which season would have more pressure winter or summer?
Answer: summer

*Question*
The smaller a population is, the more allele frequencies may drift. Having read the above passage, choose the right answer to the following question (choices are smaller or greater ): A family that is enormous, compared to a family that is very small, will have allele differences that are smaller or greater?
**Answer**
greater

*Question*
A given volume of a denser substance is heavier than the same volume of a less dense substance. Having read the above passage, choose the right answer to the following question (choices are more or less ): Henry noticed that his piece of cake was lighter than his piece of butter. The cake was more or less dense?
**Answer**
less