If an object reflects green and absorbs all other colors, it will appear ? hurry pls before 11:59

If a || b and e || f, what is the value of y ?

Salt in oceans comes from and of rocks

What sources of error may have contributed to the percent yield not being 100 percent? think about things that may have led to inaccurate measurements or where mass of the product could have been lost if this experiment was conducted in a physical laboratory.