In the balancing chemical equations simulation on phet, were you able to use noninteger numbers (like ? or 0.43) for the coefficients in a balanced equation? why or why not?

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

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Why must humans find substitutes for many minerals found on earth? (a) form at an extremely slow rate (b) controlled by other countries (c) too deep in the earth to collect