Which of the following is true about a light-year? A)It is a measure of time.

B) It takes one light-year for light from the Sun to reach Earth.

C) it takes one light-year for Earth to orbit the Sun.

D) It is a measure of distance.

plz answer ^w^
thx

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.

Select the word from the list that best fits the definition the temperature to which air must cool to be saturated