Answer:
(1) Testable
(11) Falsifiable
Step-by-step explanation:
An idea that presents a provisional explanation about a phenomenon observed by a researcher.
The main features of a scientific hypothesis are : testability and falsifiability
A testable hypothesis should answer the scientific question.This is one that can be checked true or false using the data collected or the experience gained.
Falsifiability is the capacity of a theory to be proven wrong.It normally appears in the null hypothesis statement which presents an opposite view of the experimental /alternative hypothesis.Null hypothesis presents what the results will mean in case what is predicted in the hypothesis is not supported by study.