Use information from the paragraph to answer the question. Question: John was combining chemicals in his lab one day. If he were to decrease the temperature in his lab, what would happen to the rate of chemical reactions in his experiments increase or decrease? Paragraph : Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.
decrease

Use information from the paragraph to answer the question. Question: A hydrocarbon that halves its carbon atoms will cause an decrease or increase in the amount of isomers? Paragraph : As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.
decrease

Use information from the paragraph to answer the question. Question: A vehicle that was sleek and aerodynamic and a vehicle that was bulky were each driven the same distance over the same amount of time. Which vehicle needed to more energy to power it bulky vehicle or sleek vehicle? Paragraph : Lighter, more streamlined vehicles need less energy.
bulky vehicle

Use information from the paragraph to answer the question. Question: When water starts to freeze it becomes more dense or less dense? Paragraph : Lower temperature and higher salinity yield the densest water.
more dense