<h2>
Hey Emma Here<em>
!</em></h2>
Answer:
C<em>?</em>
Explanation:
The preoperational stage is the second stage in Piaget's theory of cognitive development. This stage begins around age two and lasts until approximately age seven. During this period, children are thinking at a symbolic level but are not yet using cognitive operations.
<h3>Bye Tell Me If I Was Incorrect<em>! </em>Have A Nice Day<em>!</em></h3>
Paint thinner is the correct answer
The AV valves close first, then the semilunars open and close, then the AV valves open
