The answer is "All reserve estimates involve uncertainty due to the interpretation of geologic data."
Answer:
The answer is below
Explanation:
By indicating that the challenges in studying environmental science have a lot of activities ranging from one area of study to another, and it requires vast knowledge, expertise, and an experimental approach which comes with its merits and demerits to our immediate environment but at the same time helps us to understand it, anticipate, predicts and prepare a definite solution to whatever needs that may arise.
Democracy in the united kingdom was established in 1918. it became a democracy when the Representation of the People Acts of 1918 and 1928 gave all men and women over the age of 21 the right to vote.