5 Explain What happens to a
substance during a physical
change

Which of the following is characteristic of people from cultures with low humane orientation? a. they express greetings, welcome, concern and appreciation in most interactions. b. they are sensitive to all forms of unfairness c. they smile and display other nonverbal signs of welcome. d. they prioritize pleasure and self enjoyment over kindness and generosity.

As our current atmosphere formed, the concentrations of various atmospheric gases fluctuated. match each gas with the explanation that best describes how its proportion changed during the evolution of the atmosphere.

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.