Answer:
Let coefficient of linear and area expansion be α a n d β respectively. where ∆ T is change in temperature. For simplicity let us consider the case of square of side L. Therefore, coefficient of area expansion is twice the linear expansion.
Answer: Im pretty sure its one, three and four
Explanation: I toke Geography
Answer:
It can be found northeast of africa, and contains the Yangtze river inside of it.