Select the two statements that explain why fewer waves were recorded at
some stations
A. Part of Earth's interior bent some of the waves.
B. Different materials in Earth reflect some of the waves.
C. Some waves are blocked by water on the Earth's surface.
D. Weather events near the stations can prevent waves from being recorded.

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.

Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.