Use the drop-down menu to complete the statement.

Based on the field lines, the electric charges indicated by the question marks are

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.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.