Which student is doing work?

a. rebecca is leaning agaisnt the classroom wall.

b. marcus is lifting his backpack onto his shoulders.

c. starr is carrying her lunch tray to the table.

d. louis is studying the science chart on the wall

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.