Looks right to me if that's what your asking, I be happy to help if not.
Answer:
the returned papers
Explanation:
The returned papers will show the correct answers because they from students who did not skipped the class.In most cases that will help with the validity of the results if the professors wants to see the deviations with the marks obtained from both parties.
Child abuse causes many problems
the biggest 2 would be
1.wanting to commit suicide
2. mental insanity
Answer: It is the phase of an innovation stream in which a scientific advance or unique combination of existing technologies creates a significant breakthrough in performance or function.
Explanation: When the industry experiences an unprecedented breakthrough in performance or function during a certain phase or period marked by technological advancement and innovation using new and existing combination of scientific tools, A technological discontinuity is said to be attained.
