These students are demonstrating gender segregation in which an individual is likely to enforce or decide of having to separate with other genders. This could be seen above as boys does not want to play with the other gender which are the girls and prefer to play with themselves alone.
Answer:
The bank where the store keeps it's money
Answer: warm temperatures causes the sap to flow up the tree.
Explanation: During warm periods when temperatures rise above freezing, pressure ( positive pressure) develops in the tree. This pressure causes the sap to flow out of the tree through a wound or tap hole.