True or false magma that is low in silica usually forms light colored rocks

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?