<span>It is usually the + strand and the - strand. It can be quite a bit more complicated.</span>
The preoperational stage is one of the many stages of a child's development. Piaget states that the most obvious change during the preoperational stage is the increase in a child's use language as a symbol or tool for communication. Though they can use language as symbols, they are still not able to form logic or transform ideas into understandable information.
Fish will eat tadpoles if they can get to them. The only way to stop them would be to give the tadpoles a space that the fish can't get to, like a shallow area with a barrier (plastic mesh would work but make sure the fish can't get caught in it) or lots of plants, or make a separate wildlife pond.
Answer:
The head got bigger and the face got smaller. Hope his helps.
