Warm Up Identify the type of chemical reactions shown
1. NaBr + Ca(OH)2 → Cabr2 + NaOH
2. C5H90 + O2 + CO2+ H2O
3. Pb + H3PO4 → H2+ Pb3(PO4)2
4. Li3N + NH4NO3 → LINO3 + (NH4)3N

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which of the following is true about a carbonated soft drink? . the carbon dioxide is the solvent, and water is the solute.. the water is the solution, and carbon dioxide is the solvent.. the carbon dioxide is the solution, and the water is the solvent.. the water is the solvent, and the carbon dioxide is the solute.. .