The frigid water made Elizabeth’s teeth chatter.

Lakes occupy less than two percent of the Earth’s surface, yet they help sustain life For instance lakes give us fish to eat irrigate life. For instance, lakes give us fish to eat, irrigate crops, and generate electrical power. What does the word sustain probably mean?

The ancient Greeks pioneered many of the kinds of writing we consider standard today. They wrote speeches, plays, poems, books about science and learning, long histories of the things that happened to them. What does the word pioneered probably mean?

Bats that eat fruit and nectar spread seeds and help flowers grow. Without bats many important plants would not thrive. What does the word thrive probably mean?

Fifty-five mostly prominent, male delegates attended the Philadelphia Convention in 1787. About seventy-five percent of the delegates had served in Congress and others were important people in their home states. These men are often referred to as the Framers of the Constitution. What does the word prominent probably mean?