The light emitted by stars spreads through empty space. what best describes the nature of light

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g

Five structural isomers have the formula c6h14. where needed, draw the structure and give the iupac name of all five isomers.