Which factor will decrease photosynthesis

Light intensity and temperature are the two limiting factors that can decrease if present at extremely high levels.

Explanation:

The number of limiting factors that interact to make photosynthesis work such. The major factors are- carbon dioxide, temperature, and light intensity, however only light intensity decreases the photosynthesis process if present excessive high levels.  

Up to a certain level, light intensity tends to increase photosynthesis but after that level, it stops and if light intensity goes at an extremely high level it might decrease photosynthesis process.

At extremely high temperatures (above 104° F) the enzyme can be damaged and decrease the photosynthesis process.

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up