Which field of anthropology studies the ancient lifestyles of the Hopi Indians?

What is the approximate circumference of the circle shown below? 12.2 cm

On nights when we see the new moon phase, what side of the moon are we seeing?

What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.