I think that it’s c, sorry if it’s not
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>
Answer:
1. it has to do with social communication
2.Tgey needed a water source for their crops, people, and other things that needed water
Answer:
Vegetation cover.
Explanation:
Planting vegetation over the mined area is the best solution that provide the largest benefits to society and the environment with low cost as compared to other solutions for reclamation such as refilling the land with soil and filled water to make a lake. Vegetation over mined area clean the environment as well as provides timber in few years which is used for making different products. So vegetation is the best solution for reclamation of mined area.