A parsec is an astronomical unit of distance where 1 parsec= 3.26 light years (1 light year equals the distance travel by light in one year). If the speed of light is 186,000 mi/s, calculate the distance in meters of an object that travels 6.3 parsecs.

Acontrol during an experiment. might change remains constant does not exist does change

Which of the following is most likely true about water in chemical solutions?

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity