A dog can run as fast as 15 miles per hour for a short distance if a dog ran at this speed for 0.10 of an hour , how far would it run

1 and a half miles !!

If its history of, then b) because a) implies only present day (now)

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;