C.the acceleration is doubled
It is like that, except most nails are steel or stainless steel, slowing to rusting process to about 5 years.
Has an Environmental Impact. Perhaps the largest disadvantage of hydroelectric energy is the impact it can have on the environment.
It Displaces People.
It's Expensive.
There are Limited Reservoirs.
There are Droughts.
It's Not Always Safe
-- The sample was a fluid.
-- It was a mixture or a suspension ... NOT a solution.