Which statement describes the contributions of Omar Khayyam? He was best known for his studies of Greek philosophy.
He became well known as an architect.
He was known for his poems about human existence and life.
He became well known for writing The Thousand and One Nights.

the anasazi indians were real pioneers and created roads and irrigation systems for watering their crops. they were also great architects and the cliff dwellings are one of their biggest achievements.

explanation:

answer; ///it examines the interaction between genetics and culture in shaping human biology;

to stay where they were until m sent for

permafrost layer, it exists beneath a layer of soil, rock or sediment.