Why does the x mean in the word equation for photosynthesis

The ''x'' in the word equation for photosynthesis is ATP

Explanation:

Oxygen + glucose carbon dioxide + water + x

A chemical reaction happens in this photosynthesis where the atom arrangements are changed to different arrangement to form a new substance.  When during the time of photosynthesis, the energy from the Sun is stored in the form of chemical energy.

Here the X is ATP, the Adenosine triphosphate which provides energy for the plants. ATP releases small amount of energy through hydrolysis.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint