law is any concept that is true and real while theory is a concept which nobody can tell weather it is true or false
for eg :
Law- every action has equal and opposite reaction
(It is law because it is proven)
Theory- Big bang theory
(no one no it true or false)
To provide genetic diversity from parents to offspring through “crossing over” over the genes in prophase.
Answer:mercury venus earth mars jupiter saturn uranus neptune
Explanation: