Suppose your area is experiencing thunderstorms. What kinds of changes in the atmosphere are led to the formation of the storms?
Which of the following is NOT caused by gravitational force? A. Gas and dust come together to form a planet. B. Stars cluster together to form a galaxy. C. Planets orbit a star. D. Two atoms come together to form a molecule.
Which describes the process of conduction? A. Heat energy is transferred by mass movements of air. B. Heat energy is transferred by sunlight. C. Heat energy is transferred from the land to the air by direct contact. D. Heat energy is transferred from the land to the air by indirect contact.
Saparmurat Niyazov described himself as "Father of all Turkmen" and declared himself president for life. Which word best describes Turkmenistan's government under his rule? communist republic democratic authoritarian
Which example provides scientific data about the earth's interior? A. the motion of continents B. earth's orbit around the sun C. how seismic waves travel D. the size of volcanoes on the earth’s surface