There have been 20 presidents since 1900
An animal that is hunted or eaten is known as "prey"
Baby boomers happened as a result of the oil boom.
1. Most fruit and vegetables are only ready to be harvested at a specific time of the year, mainly Autumn.
2. Helium will eventually run out because the process to create it takes over millions of years.
It was located in the middle of the Arabian Peninsula linking Yemen (which had major trading ports) and the Levant. It was also a pilgrimage site so there were always people there for worship which encouraged trade as well.
