Ascientist plans to find out the cause of decrease in bird population in a location. he interviews 50 people who work in the local oil mine and 45 of them believe that the mine does not affect the birds. the scientist concludes that 90 percent of people in the location believe that the local oil mine does not cause decrease in bird population. why is the scientist's conclusion most likely unreliable?

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u. s. and mexico. the st. lawrence seaway provides an important trading route for the u. s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

The cluster of developing cells from conception until birth is called an