En cual de los postulados de la teoría atómica de dalton se explica lo que ocurre durante una reacción química

Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as

Can someone me with 3 and 4 plz. this is for masteries test.

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.