Celine has raised the temperature of water to 100 °C in order to cook pasta for her lasagna. What physical property is Celine demonstrating? conductivity
melting point
O boiling point
O malleability

Where did the constitutional convention take place

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling

Enement apartments at the beginning of the twentieth century were