Define an astronomical unit. choose all that apply. a. 8.3 minutes average distance from earth to the sun. b. distance that light travels in one year. c. average distance from any planet to the sun. d. 93 miles 150 million km

a. 8.3 minutes average distance from earth to the sun

d. 93 miles or 150 million km

Explanation:

The distance between the earth and the sun is defined as an astronomical unit (AU). It takes 8.3 minutes to go from earth to the sun at the speed of light. That distance has a length of 150 million Kilometers or 93 miles.  

It is common to see in planet charts that distance to the sun are compared in astronomical units. In the case of Mars is 1.524 AU away from the sun.

i guess it’s a and b

number of electrons for neutral cl