Answer:
Explanation:
why do you need the answer
Answer:Enrico must multiply the distance of mars from sun (meters) with the
to convert the distance in astronomical units.
Explanation:
1 astronomical unit = 

Let the distance between the sun and Mars be Y( meters)
Distance in AU= 
Enrico must multiply the distance of mars from sun (meters) with the
to convert the distance in astronomical units.
Warm water with no salt is the least dense
Trait is an obvious, observable, and measurable trait; it is the expression of genes in an observable way. An example of a phenotypic trait is a specific hair color