Why was pluto reclassified from a planet to a dwarf planet? why did this create controversy?

Which statement describes absolute and apparent brightness? absolute brightness and apparent brightness are identical ways to describe the brightness of a star. absolute brightness and apparent brightness change with the distance from the star to the observer. absolute brightness depends on the distance from the star to the observer, whereas apparent brightness is always the same. absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.

Which statement indicates one difference between the gene that codes for insulin and the gene that codes for testosterone in humans?

Which is not an explanation for why new approaches began to emerge in the 1950s and 1960s challenging the dominance of the psychodynamic and behaviorist approach