What happens when the thermal energy of a substance increases? A)The motion of the particles in the substance increases, and the temperature of the substance decreases.

B)The motion of the particles in the substance decreases, and the temperature of the substance increases.

C)Both the motion of the particles in the substance and the temperature of the substance decrease.

D)Both the motion of the particles in the substance and the temperature of the substance increase.

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

Alaina wants to decide whether her current cell phone plan is better than a package that another company offers. to compare the two plans, she plotted two lines on a graph, where y represented the total cost of one month’s service and x represented the megabytes of data that she used in a month. which part of the graph will represent the cost per megabyte of data used in each plan?

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal