A testable question is something you need data for, ex: if i bounce a bouncy ball from larger heights, how high will it fly? it can't be just a regular yes or no question
Answer:
It is A Mutagen
Explanation:
Mutagen among the following best describes the relationship of solar radiation to the environment. The UV radiations are radiations having very high energy and it acts as a mutation causing agent.
B. response to a stimulus
The sunflower is the responding to the sun's light (the stimulus) by bending towards it
Pineapple.......... i hope this helps :) :) :)