The spectrum of galaxy a and galaxy b both contain the h-alpha emission line, which is normally seen at 653nm. however, in galaxy a the line has an observed wavelength of 710nm, whereas in galaxy b the wavelength is 685nm. which galaxy is farther away?

Match the following terms and definitions a region in arkansas defined by the arkansas river in the western part of the state answer 1 a thoroughly dissected area with steep valley walls and narrow floors answer 2 a geographical region of a country or state answer 3 the friendly and generous reception and entertainment of guests, visitors, or strangers answer 4 the branch of knowledge concerned with the production, consumption, and transfer of wealth answer 5 statistical data relating to the population and particular groups within it answer 6 a mountain range in west central arkansas and southeastern oklahoma answer 7 travel for pleasure or business; also the theory and practice of touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tours answer 8 answer all parts of the question.

What is the reason for the “scramble for africa”?

What distinguishes monsoon asia from the remainder of asia? what are the consequent differences between the two?