How did the election of 1800 impact the constitution ?

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

Whenever there is a vacancy in the office of the vice president, the president shall nominate a vice president who shall take office upon confirmation by a majority vote of both houses of congress

99 points and brainliestdiscuss two of the major causes of the increasing pollution levels in the yangtze river. make sure to include how they contribute to the water pollution