WILL REWARD WITH BRAINILY ANSWER (i’m not creative please literally anything) if you could invent anything to benefit humankind what would it be and explain how it would be beneficial to humans

Answer asap 50 points which of the following illustrates how a venus fly trap senses that an insect has landed in its open leaves? 1. using tiny hairs, the leaves sense a change in light. 2. using tiny hairs, the leaves taste a chemical. 3. using tiny hairs, the leaves detect a touch. 4. using tiny hairs, the leaves sense a change in water levels.