How was the expedition of hernán cortés significant? he established a settlement in mexico. he introduced horses to the native americans. he conquered the aztecs and built a new city. he established farms in corpus christi.

Give an example to prove that your society is developed more than it was before 10 years ?

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

Which environmental change allowed people to travel by land between asia and north america a.human apaption to arctic environments b.the introduction to horses to north america c.the formation of ice sheets on land d.a rise in ocean temperatures