Astronomers use light years to measure distances in space because space is so massive and distances so far that conventional numbering is inadequate and unmanageable. One light year is a distance measurement equivalent to six trillion miles.
<span>They are both invertebrates.</span>
In order:
kingdom, phylum/division, class, order, genus, species
The probability of producing an offspring with this genotype: EEHh is 1:1
