What was Rudolf Virchow trying to prove through his work?

In ancient egypt, the pharaoh collected from the peasant farmers. a. oil b. gold c. lumber d. taxes

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

Select the phrase that best describes "race."a. religiously distinct b. different species c. socially constructed d. factually accurate