Photosynthesis is a chemical process that converts energy to energy. a. sunlight; light b. light; chemical c. chemical; light d. chemical; sugar

The right option is B. light; chemical

Photosynthesis is a chemical process in which solar energy (sunlight) is converted into chemical energy in the form of two energy-transporting molecules, ATP and NADPH with the actions of the green pigment chlorophyll.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.