11. Obesity exacts a higher toll on health and healthcare costs than either smoking or drinking because obesity-related problems are near epidemic level. Smoking and drinking are also responsible for some serious health problems, but active smoking leads to a more modest 20-percent increase in healthcare costs and 30-percent rise in medication costs. Obesity, on the other hand, is linked to a range of chronic conditions, which _______________. Some significant causes of the growing obesity problem are more hours in front of the TV, less physical activity, and a car-obsessed culture. (a) require less serious medical care (b) are associated with heavy smoking (c) have to do with the consumption of vegetables and fats (d) have a large impact on healthcare costs 12. Hunger, hostile Indians, and disease took many lives in the early years of settlement before the settlers learned to cope with their new environment. At one point ______________. Much trouble arose from the organization and aims of the enterprise. Anxious for quick profit from gold or a northwest passage, the settlers were slow to settle down to the mundane agricultural labor necessary for the colony to sustain itself. The reluctance arose partly from the fact that all the original settlers were employees of the company and their labor was controlled under military discipline by an autocratic governor. (a) the colony was almost abandoned (b) the company made an effort recruit immigrants (c) the disaster so discredited the company that the King revoked its charter (d) the Virginia environment produced enslavement 13. Combining elements to from a compound is very different from just mixing them together. While in compounds, atoms of different elements bond in a chemical reaction, mixtures are mere combinations of different elements or compounds. Sea water, for instance, is a mixture of water with other compounds, such as salt. A compound, such as iron sulphide, is very different from its elements, but a mix...
11. Obesity exacts a higher toll on health and healthcare costs than either smoking or drinking beca...