Petroleum jelly is waterproof and transparent. Covering the underside of the leaves of a plant with a thin layer of petroleum jelly will slow down the rate of water loss from the plant. Which statement explains this?

Options
  • A. Plants absorb nutrients from the petroleum jelly.
  • B. Plants absorb water from the petroleum jelly.
  • C. Stomata are blocked by the petroleum jelly.
  • D. The petroleum jelly stops photosynthesis.
  • Correct Answer: Option C