3. What is A + B ? in this Picture

Golf is for old men who smell

The answer is: 6.3mi got it right

Answerthe global climate during the paleogene departed from the hot and humid conditions of the late mesozoic era and began a cooling and drying trend which dispite having been periodically disrupted by warm periods such as the paleocene-eocene thermal maximum, persists today;

D. the index of refraction of the second medium is lower.