Question

A hypothesis must be testable to be scientifically valid. Being testable means that
a) Some observation could prove the hypothesis incorrect
b) Only a controlled experiment can indicate whether the hypothesis is correct or
incorrect
c) The hypothesis is proven wrong
d) The opposite of hypothesis is tested and proven wrong​

Answer 1

Answer:

it probably means that you must 'prove' your theory by some practical experiments if you want it to be scientifically valid.