Cross-sectional studies and longitudinal studies differ on whether people undergo intellectual decline as they age. Explain how this is possible. Then, describe the distinction between fluid intelligence and crystallized intelligence, and explain how each can change over time. Please hellpp!!
I will mark you brainleast​

"follow hollywood's hottest diet craze to use more calories and feel great" this article most likely a) provides an easy-to-follow nutrition plan b) includes recommendations that are unsafe c) gives expert advice on creating a healthy lifestyle d) sets a realistic goal for health and weight loss

In a two to three page paper, examine the history and development of the healthy people initiatives. discuss some of the successes and shortfalls of the three initiatives thus far; including healthy people 2000, healthy people 2010, and healthy people 2020. be sure to include statistical data from the initiatives to support your position. don't forget to cite your sources.

True or false: determining the source and motive of an ad for a health product will you decide whether the ad is a reliable source of health information.