The correct answer is the fourth option. The magnification of a specimen viewed with a compound light microscope that has an objective power of 10x and an ocular lens power of 5x is equal to 50x. Magnification is equivalent to the product of the objective power and the ocular lens. Ten times five is fifty.
The water lilies may adapt to needing less water, both to drink and to live. The flowers will try to adjust to their new habitat by needing less water as there is less available.
