Which is a limitation pf comparative investigations? They give results that are usually not repeatable by other scientists. They might show variable relationships that are not actually cause and effect. They can usually only be conducted in labs instead of in natural environments. They are usually inexpensive, but they do not provide new information.

Brainliestttme : ) what caused the first opium war? chinese confiscation and destruction of british opium chinese support for the boxer rebellion british efforts to increase opium prices british attempts to force china to accept opium as payment

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.

Did the both the us and ussr have atomic weapons after 1949