PLZ HELP ASAP What type of energy is necessary for photosynthesis to occur? Question 19 options: heat mechanical electrical sunlight

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?