Answer:
C.
Event A represents volcanic eruption and Event B represents creation of mountain ranges.
Sorry if it's wrong :(
The net force<span> is the vector </span>sum of all the forces that act upon an object<span>. That is to say, the net </span>force is the sum of all the forces<span>, taking into account the fact that a </span>force<span> is a vector and two </span>forces<span> of equal magnitude and opposite direction will cancel each other out</span>
The answer is B, multiple alleles.
Codominant is when the gene pair in a heterozygous are both fully expressed.
Incomplete dominance is when one allele is not fully expressed over its paired allele.