I know that life can be tough most time but we can all eventuallly get through it it will one day soon be over and we need to all live it as much as we can
Answer:
Preoperational stage of Piaget's cognitive development.
Explanation:
When asked where the sun goes at night, four-year-old Kiet explains to his dad that it goes to sleep. Later that day, Kiet gets upset because he believes his sister's glass contains more juice than his glass. Both glasses actually contain the same amount of juice, but Kiet is confused because of the tall and thin shape of his sister's glass. From these instances, we can say that Kiet is in the pre-operational stage of Piaget's cognitive development.
The answer would be : D. Russian adaptation to extreme cold
If a steel is exposed to an extreme low temperature over prolonged period of time, the structural form of the steal could be damaged, which could lead to a destruction of a building's foundation. In order to prevent this, a country which extreme winter such as Russia developed a special steel that won't crack.