Does USA need more immigrants or less immigrants?

When discussing comparative and absolute advantage, which best describes specialization? developing expertise in certain types of production limiting the types of goods and services produced targeting specific consumers and retailers producing certain items for specific market segments the answer is: the act of limiting the kinds of goods and services produced

Which steps are important when designing and conducting a scientific experiment? hide the results from fellow scientists. identify the independent variable. eliminate all dependent variables. address any confounding variables. form a non-falsifiable hypothesis.

Based on this map, what can be concluded about the inca empire? (4 points) it was in a highlands region. it was in a mountainous region. it was in the amazon basin. it was in north america.