<span>The half-life of carbon-14 is so short that it can be used only to date materials that are less than 70,000 years old</span>
Answer:
ITS A
Mountains everywhere are the same age
hope it helps!
Answer:
False
Explanation:
Chain migration is the social process by which migrants from a particular town follow others from that town to a particular destination, it assures that the mover is part of an established migrant flow from a common origin to a prepared destination,the prepared destination may be in another country or in a new location within the same country
Step migration involves the place transition from, for example, rural to central city residence through a series of less extreme locational changes, from farm to small town to suburb, and finally to the major central city itself
The answer is either 1.) or 3.).... i would say 1.)