Which of the following is a statement of the Big Bang? a. Debris from other galaxies was used to form ours.
b. Millions of stars collided and sent material out into the universe.
c. There was a great expansion of space.
d. It was an explosion similar to a hydrogen bomb.

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?