Why change the question instead of hypothese

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above