<span>The answer to your question is:
</span>

<span>
I hope that this is the answer that you were looking for and it has helped you.
</span>
Economics - is the social science that describes the factors that determine the production, distribution and consumption of goods and services
It was an asteroid that came to earth two billions years ago and scientists says that there might be another one coming.so we might live in space for a couple of months or years. so that why the dinosaur die.
I'd have to say it'd be the dramatic increase in the diversity of the population gene pool.The increased diversity can lead, in time, to a dramatic increase in the number of distinct species in an environment.