For SpaceX this was a major achievement and it could potentially open up a commercial market for space travel. What do does it mean to have a commercial market for space travel and what benefits could come from having one? Be sure to explain your answer. (100 words or more)

What is the relationship between absorbance of light and the rate of photosynthesis?

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

Which genetic disorders, caused by an extra x chromosome (xxy), is characterized by a lack of testicular development in males, effeminate features, possible mental impairment, and a thin stature?