*Question*
If heating salty water causes the solvent to evaporate while the solute remains, then what is left over when salty water is heated? Answer choices: - Time and energy - nutrients - Sediment - energy - bacteria - Energy. - loose soil - The solute
**Answer**
The solute

*Question*
If changing from a liquid into a solid by reducing heat energy solidifies, then changing from a liquid into a solid by reducing heat energy what? Answer choices: - heats up - Evaporation - Dehydration - warms - kinetic energy - melts - boiling - solidifies
**Answer**
solidifies

*Question*
If antibodies can cause allergic reactions, then allergic reactions can be caused by? Answer choices: - animals - smoking pipes - Sulfur dioxide - Chemical energy - fur and fat - antibodies - smoking tobacco - Pesticides
**Answer**
antibodies

*Question*
If wave action can cause rocks to contact over time, then wave action causes? Answer choices: - fissures of hot, acidic water - contact between rocks - Animal survival - Electrical energy - scattered light - flow of electrons - electromagnetic energy - energy of moving objects
**Answer**
contact between rocks