During the preoperational stage, children struggle with problems as they focus on one dimension and ignore changes in other dimensions. for example, laying out five candies close together versus spread out will likely lead a 2- to 7-year-old to state that the second layout has more candy (even though the actual number of candies is the same).

You swipe your debit card too many times. what additional charges should you expect?

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.

Which is the best conclusion that can be drawn regarding the status of african-americans in the south in the late 1800s? a) african-americans made tremendous political, social, and economic advancements during the reconstruction era. b) passage of the 13th, 14th, and 15th amendments to the u.s. constitution guaranteed equal status and rights for all african-americans. c) the reconstruction policies enacted by the federal government were highly effective in african-american citizens transition to life after slavery. d) although african-americans had equal rights under federal law they were still economically, politically, and socially inferior to whites in the south during the reconstruction era.