Isoflavones, quercetin and anthocyanins are all what type of phytochemicals

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

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %