Is a decomposing log abiotic or biotic

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate