Which of the following represents a system that is completely open? a. a capped soda bottle b. a pot of boiling water c. a presser cooker d. a pressurized canister of helium gas

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.