PLS HELP ASAP What are the two factors that determine the boundaries of a biome? Question 1 options:

A. temperature

B. latitude

C. precipitation

D. altitude

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

1. describe at least 3 similarities or differences between homo habilis and australopithecus 2. describe at least 3 similarities or differences between cro-magnon and neanderthals.

Which of the following is not a country in the middle east (plato) a. armenia b. azerbaijan c. somalia d. sudan