Question

The substance W is necessary for the growth and development of all types of plants and animals.An acute scarcity of substance W has an ill effect on plants which can hinder the natural process X in plants causing a severe shortage of /leading to famine .It may also lead to the shortage of Z which is essential for breathing and respiration. What could W ,X, Y and Z be?

Answer 1

Answer:

W= WATER

X= PHOTOSYNTHESIS

Z= OXYGEN