Which of the following statements is true? All living organisms need water.
More than 70 percent of the earth is water.
Water molecules tend to stick together.
all of the above

Explain how tectonic plate movement creates geological events and features.

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

One way in which the european union encourages trade among countries is through the use of