Who was responsible for inventing the first working four-stroke engine? a. nikola tesla b. nikolaus otto c. michael faraday d. henry ford

Which of the following best describes the geography of oklahoma? a. extreme elevation differences b. varied ecological regions c. limited, mountainous geography d. flat rolling hills to below sea level areas

Describe the difference between absolute and relative chronologies. if you were describing a series of events in your life, how could you describe them in two ways?

What did woodie guthrie do before becoming a singer and song writer?