1.All reserve estimates involve uncertainty due to the interpretation of geologic data.
Explanation:Oil is a valuable resource and original estimates are somewhat is unreliable as the uncertainties involved in the interpretation of geologic time period of the earth the original tends growth of the resources with time changes. As this resource is found at greater depths in the earth layers. Hence there exists changes in the occurrences of these reserves.
All of the above would be your answer
primary groups shape your individual development
because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.