In the last 50 years, the number of people with chronic disease in the united states has increased which of these statements best explain why this is true?
A) The population has increased in the united states during the last 50 years
B) The number of calories eaten per day has decreased in the united states during the last 50 years
C) the rate of physical activity has decreased in the united states during the last 50 years
D) the rate of physical activity has increased in the united states during the last 50 years​

A2012 report from the u.s. surgeon general stated: "another common practice is strategically locating tobacco-related marketing materials where young children will be exposed to them. tobacco industry executives acknowledge that products and advertising should be placed at eye level (pollay 2007), but in california, 48% of stores had at least one cigarette marketing item at or below 3 feet from the floor (feighery et al. 2001)." it was also noted that 25% of cigarette displays were next to candy. in addition, a national study found that about one-third of the stores had tobacco ads at low heights. after california banned counter displays, some stores place cigarettes in transparent displays so product brands could still be seen. why did some stores use transparent units to display the cigarettes? to comply with the new rules while still encouraging cigarette purchases via visual exposure to ensure children and minors are not exposed to cigarettes and their eye-catching packaging to minimize exposure to humidity, extending the shelf life of the cigarettes' tobacco to reduce the occurrence of shoplifting, since cigarettes are high-revenue items

The outermost layer of your teeth is called the enamel and is made of?

Which action is an appropiate immediate response to a flood? a. removing wet clothing b.marking flooodwater levels c.avoding crossing flowing water d.walking, no driving, through water