SI is a base 10 standardized system. I hope this helped and if not I highly recremend talking to your teacher or a parent.
The answer is a. minimizes the chance of accidents occurring in the lab.
Technically, the answer could be c, because the point of safety rules is to stop accidents from happening, but accidents can still occur EVEN when you are following the rules.
A trait is the organism's feature. So, a trait would be eye color. A phenotype would be hazel. An allele is a gene. It can be recessive or dominant.
