Chemical weathring is most rapid in waht areas

Adding more tributaries to a local river basin can have what effect?

Why is it bad that some cancer cells can make their own growth hormones?

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.