Which amendment did ex- confederation states need to ratify under presidential reconstruction?

What did passage of the immigration act of 1965 accomplish? the law lowered the number of asians allowed to immigrate to the us. the law allowed no more immigration from european nations. the law supported victims of political persecution. the law made an effort to establish a quota system.

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.

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?