In your own words summarizing the reasons people left their home countries to start new lives in the United States

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

Which if the following best describes why invertebrates isn’t considered a scientifically valid word when classifying animals

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a). it must be open to modification if new evidence doesn't completely support it. b). it must be based on scientific observations that can be repeated in a controlled setting. c). it must be applicable to future events and occurrences. d). it must be consistent with only a small portion of relevant observations or data.