These graphs show the amount of lead in the air and the amount of violent crime over several decades. What can you conclude based on the data?
- The violent crime rate is higher when the lead level is higher
- violent crime rates and levels appear to be unrelated.

- the rate of violent crime is lower when the lead level is higher

The boiling point of liquids is very high what does it indicate

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

Which of the following is most likely true about water in chemical solutions?