What causes the movement of electrical current in the circuit within the device shown in the diagram? -Movement of protons
-Heating of silicon
-The anti-reflection coating
-Movement of electrons

b is the best answer for this question.

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.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?