You see a burning candle. you feel heat above the flame, you see black smoke rising from the wick, and wax melts. list each of the changes that occurred and tell the type of change that caused it.

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

Explain why scientists use shared characteristics to make cladograms.

The rules of engagement (roe) working group is often used to (select all that apply.)