Relative dating<span> is the science of determining the</span>relative<span> order of past events (i.e., the age of an object in comparison to another), without necessarily determining their absolute age, (i.e. estimated age).</span>
3 metamorphic, ignious and sedimentary
<span>the process of thermal expansion is the increase of volume resulting from an increase in temperature</span>
Explanation:
For the specified objectives, demographic training is important in the education system: it is mindful of the cultural and ecological factors and effects of population density. It conveys awareness and alters people's thoughts and actions towards the community.