Which discovery by astronomer vera rubin how to prove the existence of the dark matter

What was one effect of european influence on southeast asia? new roads and railroads were constructed. rulers built palaces in the european architectural style. the vietnamese absorbed much of the european culture. the islamic religion spread throughout the region.

East asia is considered a less developed nation. true or false

Which of the following situations is most likely to arise when a crowded city is unable to provide its residents with sufficient sanitation?