Rashad is using the setup below to investigate how pH affects the rate of reaction when amylase breaks down starch Who is the independent variable in this investigation?

enzyme speed up the reactions

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

. ph changes the ability of them he enzyme to dissolve in water.