how could you narrow your choices right how you could do an investigation to use a physical or chemical change to help identify the metal your coin is made of

What would happen if airlines and baseball stadiums priced all seats the same instead of using variable pricing

Ahmad is five years old and he has just been caught watching television when he was supposed to be studying according his father’s orders. when his father hears of this incident, he yells at him, spanks him, and restricts him from watching television for one week. ahmad’s father is displaying a(n) parenting style in this scenario.

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.