Viết đoạn văn ngắn của em về vẻ đẹp 2 câu thơ
"Cỏ non xanh tận chân trời
Cành lê trắng đ...
Social Studies, 27.07.2021 08:10 xbeatdroperzx
Viết đoạn văn ngắn của em về vẻ đẹp 2 câu thơ
"Cỏ non xanh tận chân trời
Cành lê trắng điểm một vài bông hoa "
Answers: 1
Social Studies, 22.06.2019 23:40
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
Answers: 1
Social Studies, 23.06.2019 08:30
Which of the following is a result of the low of food production
Answers: 1
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