There's tropism and stimulus, for starters. Gravity, light, and touch can all be used as stimuli. So it is debatable... If the plant is reaching upwards towards a window that is above it... It would then be light, and the plant's response would be to reach upward.
Hope this helps and if it does, don't be afraid to give my answer a "Thanks" and maybe a Brainliest?
The answer is a population.
Answer:
Eat fig and do exercise every day
Water expands as it freezes, so ice generally has more oxygen in it than liquid water, making it denser.
