Ariver's power to erode depends on three things

This form of government has only a single political party. question 2 options: communist democratic autocratic parliamentary

According to the law of supply,suppliers want to sell their product at prices

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