Is the following equation balanced or unbalanced? * Au S3 + 3H2 → 2Au + 3H2S
O Balanced
O Unbalanced

Two things that biomedical has invented or innvated

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here